A Global Breakthrough in Fully Recyclable Bag-in-Box Packaging

Aran Group is proud to announce that our recyclable MonoFlex Bag-in-Box has received a Certificate of Recognition at the Star of Israel 2026 competition. This honor recognizes sustainable packaging solutions that promote circular economy principles, minimize environmental impact, and meet the evolving needs of the global food and beverage markets. Our achievement reflects a long-standing commitment to responsible engineering, high-quality production, and packaging technologies that shape a more efficient and sustainable future.

A Breakthrough in Recyclable Bag-in-Box Packaging

The award recognizes the MonoFlex Bag-in-Box (3–20L), a fully recyclable, high-barrier packaging solution designed for liquid food products. As a world-first mono-material development in its category, the bag is made from over 95% polyethylene (PE) with a thin EVOH barrier layer of under 3%, creating a mono-material structure that is designed for recycling in existing PE recycling streams. This innovative material structure eliminates the need for metallized layers or complex multi-material laminations that commonly hinder recycling in conventional liquid food packaging.

Engineered for Strength and Freshness

Despite its lightweight and flexible form, the MonoFlex bag delivers impressive mechanical durability, puncture resistance, and long-term protection against oxygen and moisture. Its integrated fitment spout minimizes oxygen exposure during and after dispensing, extending shelf life and preserving product freshness. These advantages directly contribute to reducing food waste and improving overall supply-chain efficiency, making MonoFlex especially valuable for products such as wine, mayonnaise, ketchup, fruit concentrates, and other sensitive liquid applications.

Designed for Recycling and Efficiency

The sustainable bag-in-box packaging is designed in accordance with Design for Recycling principles and achieves an “A” rating under European PPWR (Packaging and Packaging Waste Regulation) standards. Its reduced weight and compact structure significantly lower transportation and storage volumes, decreasing energy consumption and carbon emissions compared to traditional rigid containers. This efficiency translates into measurable cost savings and environmental benefits throughout the supply chain.

Supporting Global Sustainability Goals

Beyond its environmental benefits, the MonoFlex Bag-in-Box serves a broader societal purpose. By protecting product quality over long distances and preventing premature spoilage, it helps strengthen food security and supports more responsible global resource management. The combination of sustainability, practicality, and high performance makes this solution suitable for both industrial dispensing systems and consumer applications across diverse markets.

Looking Ahead

Aran Group is honored by this recognition and remains dedicated to advancing aseptic and sustainable packaging solutions that support a healthier planet, reduce waste, and meet the expectations of manufacturers and consumers alike. MonoFlex will next compete at the WPO Worldstar Awards, where it will represent Israel’s packaging innovation on the global stage.

Frequently Asked Questions

What makes MonoFlex different from traditional bag-in-box packaging?

MonoFlex is a fully recyclable mono-material bag-in-box for liquid food in the 3–20L range. Unlike conventional bags that use multi-material laminations, MonoFlex uses over 95% PE with minimal EVOH, making it recyclable in standard PE streams.

How is MonoFlex recycled?

MonoFlex can be recycled through existing polyethylene (PE) recycling infrastructure, eliminating the need for specialized recycling processes. Its mono-material design achieves an “A” rating under European PPWR standards.

What products is MonoFlex suitable for?

MonoFlex is ideal for liquid food products requiring high-barrier protection, including wine, fruit concentrates, sauces, condiments, mayonnaise, ketchup, dairy alternatives, and other oxygen-sensitive liquids.

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Each site has its own Quality Manager, supported by inspectors responsible for production-line control and customer-facing assurance. In Israel, two laboratories cover laminates and flexible bags, with seven inspectors and a local manager, Lilach Fuchs. Spain, the United States, and Germany follow a similar structure, with Pablo Torres leading quality in Spain, Courtney Copeland in the United States, and Romina Rubin temporarily managing the German branch.

Every product undergoes defined inspection protocols, including seal integrity and leak testing. New methodologies and equipment are introduced regularly to identify potential issues at an early stage. Once validated, procedures are implemented across all branches, ensuring uniformity in processes and results.

The composition of the packaging materials is central to performance and safety. Structures are designed for durability, barrier properties, and compliance with food-contact regulations.

Compliance and certification are integral to operations. The Israeli and Spain branch holds ISO 9001, ISO 14001, BRC, kosher certification, SMETA social responsibility audits, and EcoVadis. It also meets relevant FDA requirements and adheres to approved lists for food-contact materials under FDA, Chinese, and Japanese regulations. Other sites are in the process of aligning with the same standards.

Supplier approvals, risk management, and methodology updates are coordinated at group level, ensuring all branches operate under the same requirements while adapting to local production needs. In Israel, oversight also extends to assembly lines, complementing production controls.

Quality within Aran Group is defined by prevention, consistency, and compliance. Through systematic testing, material control, and continuous improvement, the company ensures that customers receive packaging solutions that meet international standards for safety and reliability.

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While barrier performance is often viewed as a single-layer property, in reality, different materials respond differently to mechanical stress, making film structure a system-level consideration.

The Science Behind Flex Cracks

Flex Cracks typically develop in multilayer coextruded films, where thin high-barrier layers (such as EVOH or metallized films) are subjected to cyclic mechanical stress, including:

• Vibration during transport (especially in intermodal shipping)
• Friction and abrasion within outer packaging
• Stress concentrations from filling, emptying, or stacking
• Temperature fluctuations causing expansion and contraction of incompatible layers

Once a barrier layer is compromised, even partially, oxygen ingress and microbial contamination can occur, especially in aseptic and extended shelf-life applications.

Barrier Sensitivity: Metallized Films vs. EVOH

Metallized films offer strong OTR performance but are brittle and highly sensitive to mechanical fatigue, making them more prone to Flex Cracks under vibration or bending. A single microcrack can lead to full barrier failure.

EVOH (Ethylene Vinyl Alcohol), while still sensitive to humidity, offers greater elasticity and flexural fatigue resistance. It can absorb and disperse mechanical energy more effectively, reducing the likelihood of crack formation under dynamic conditions.

Aran often combines multiple barrier layers to create redundancy, ensuring that even if one layer is compromised, the package retains its protective function.

Flexibility by Design: Material Engineering for Movement

In addition to barrier selection, film structure and processing are critical to Flex Crack prevention. Aran applies proprietary techniques during coextrusion to enhance the film’s flexibility and resistance to fatigue.

These refinements result in films with improved elastic response and structural stability under dynamic conditions like vibration, compression, and repetitive movement. The film structure adapts more effectively to stress, lowering the risk of microcrack formation throughout transport and storage.

Aran’s Technical Response: Premium Flex 2.0

To address Flex Cracks at their source, Aran developed Premium Flex 2.0, a high-performance aseptic bag designed for mechanical durability and consistent oxygen barrier protection.

Key design elements include:

• Barrier Optimization
  EVOH layer <5% to maintain recyclability and high barrier performance. EVOH is coextruded between flexible tie layers to prevent strain-induced delamination.
• Mechanical Reinforcement
  Tailored PE layers with controlled molecular weight distribution ensure tensile strength, puncture resistance, and flexural fatigue resistance, minimizing risk of cracking during long-haul transport.
• Stress Dispersion Architecture
  Layer thicknesses are engineered to distribute mechanical load. The inner film’s elasticity reduces stress transfer to the barrier layer, while the outer layer provides abrasion resistance.
• Flex-Crack Resistance Testing
  All Premium Flex 2.0 structures undergo ASTM F392 flex-durability testing and shipping simulation trials. Results show a >90% reduction in microcrack formation compared to conventional structures.

Built to Withstand the Journey

Flex Cracks are not a surface defect, they’re a system-level challenge that threatens product integrity. At Aran, we treat them as a design parameter from the start. Premium Flex 2.0 represents a multi-variable engineering solution that balances barrier performance, mechanical durability, and environmental compliance.

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Aseptic and Non-Aseptic Options

The bags are designed with oxygen barriers and can be produced for either aseptic or non-aseptic filling, depending on the product. For example, ketchup does not require aseptic conditions due to its natural stability, while other sauces or tomato-based products may require them. A variety of fitments and closures can be selected to support different dispensing and resealing needs.

Sustainability in Packaging

With increasing demand for more sustainable alternatives, flexible bags offer a lightweight, space-efficient solution compared to rigid packaging such as cans and plastic tubs. Flexible bags also have a lower carbon footprint than rigid packaging, reduce transportation costs due to their lighter weight, and eliminate the need for redistribution after emptying

Common sizes in this sector include 3L, 5L, and 10L, which are widely used in food service settings like pizzerias, restaurants, and catering. These packaging options are practical for handling, resealing, and refrigerated storage, while also offering advantages in storage, transport, and recycling.

Full Range of Sizes and Volumes

Aran supplies a wide range of bag-in-box volumes to meet the needs of all market segments and customer requirements — from 3 liters to 1,500 liters. This supports diverse applications, from small-scale food service to large industrial processing.

The Shift towards Recyclable Packaging.

There is a clear trend toward recyclable packaging, especially in Europe and the United States. One key development is the use of mono-material polyethylene bags with in-line extruded EVOH, which meet local recyclability standards. Aran is developing bags that are compatible with Code 4 recycling streams and can incorporate recyclable fitments and films.

Balancing Performance and Sustainability

Advances in materials and design are helping flexible bags meet shelf-life and durability standards while supporting recyclability. Progress in barrier materials and structural design is helping meet these expectations and support the transition to more sustainable packaging systems.

From fruit concentrate to tomato sauce, the goal is to provide packaging that balances food safety, waste reduction, and the growing need for sustainable solutions in the food industry.

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Dayan Schreiber – Global Sales Coordinator, Aran Packaging

With nearly 14 years at Aran, Dayan plays a key role in managing customer orders and internal processes. Fluent in five languages, when the group expanded, she trained colleagues in Aran’s U.S. and Aran Europe to be excellent sales coordinators. Beyond her professional expertise, Dayan values the flexibility her role offers, allowing her to balance a meaningful career with motherhood. “I believe in Aran’s products and love being able to connect both with colleagues and clients. My job is interesting and fulfilling,” she shares.

Sara Morgan – Production Manager, Aran USA

Sara began her journey at Aran nine years ago as a logistics manager and has since grown into a leadership role overseeing a team of 20. As a first-time grandmother, she appreciates the family-like culture at Aran, where strong personal connections are integral to the workplace. “Everyone knows everyone, and that sense of community is what makes working here special,” she says. While she empowers her team to apply their expertise, she remains the go-to person when challenges arise, ensuring smooth operations.

Noelia Berrocal – Global Sales Coordinator, Aran Europe

For Noelia, who has been with Aran for a decade, the company represents both professional growth and personal belonging. Moving to a new country for love, she quickly found her place at Aran, where she values the sense of familiarity among colleagues and customers. “Women can do anything, but this role, in particular, requires thoroughness and attention to detail—qualities that suit women well,” she notes. Noelia emphasizes that at Aran, gender does not define opportunity: “The company values everyone’s input and ensures that all voices are heard.”

A Workplace Where Women Thrive

Aran fosters an environment where women excel, not only by creating career opportunities but by ensuring that talent and dedication drive success. As we celebrate International Women’s Day, we take pride in the women who contribute to our company’s achievements and inspire the next generation of leaders.

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Aran typically focuses on aseptic food packaging solutions that prevent spoilage. However, in this award-winning project, Aran did exactly the opposite. An enormous bag, measuring 7000 x 2200 mm, was engineered to hold biogas produced from the fermentation of agricultural waste. This solution, designed for HomeBiogas systems, transforms food and agricultural waste into valuable energy resources. 

The HomeBiogas system is based on two uniquely engineered bags: one for collecting organic waste and another for storing renewable gas. The remaining waste is repurposed as compost.  

Supporting Sustainability with Technological Innovation 

Featuring high-barrier materials, the large bag can store up to 7 cubic meters of biogas – enough to support daily household activities such as cooking, heating, and lighting. With this bag, households in regions lacking energy infrastructure can access clean, renewable energy, empowering communities to become self-sufficient. 

The waste collection bag plays an equally crucial role in the system’s functionality. It enables farmers to safely and conveniently process organic waste, creating a cycle of waste-to-energy conversion. 

Overcoming Design Challenges and Innovations 

The development of these bags involved overcoming significant challenges. “When HomeBiogas approached us, they had two key specifications that were outside the scope of our previous projects,” explains Yakir Tal, the Project Manager from Aran. 

“The first challenge was the bag size, which was a substantial increase over our regular products. The second challenge was the need for high-barrier capability to preserve methane gas. While Aran’s bags are designed to prevent oxygen from entering and affecting stored food, HomeBiogas requires bags that would prevent methane from escaping. To meet this challenge, we developed a stronger laminate layer based on nylon or metalized PET to create a more effective barrier against methane. This innovation ensured that the gas storage bag could securely retain the gas, providing reliable performance,” he explains. 

Additionally, Aran created special fitments to meet the needs of the HomeBiogas system. A 4-inch opening was designed to facilitate the insertion of organic waste into the collection bag, which is essential for the proper functioning of the system. 

Sustainability and Societal Benefits 

The benefits of these biogas packaging solutions go far beyond their technical specifications. They offer a solution to energy and environmental challenges by turning agricultural and household organic waste into valuable resources. By reducing reliance on fossil fuels and offering an affordable, easy-to-use energy source, these bags support sustainable living. This system is particularly impactful in regions with limited access to energy infrastructure. 

Driving Global Change 

Aran is proud to contribute to renewable energy solutions. The gas storage bag is the largest of its kind in the world, earning an award at the WPO’s WorldStar Competition for its innovative design and sustainable impact.  

Recently, HomeBiogas’s shares surged significantly following government approval to register carbon credits, which could generate substantial revenue. Their commitment to providing subsidized systems to farmers not only helps them produce energy from waste but also enables them to capitalize on carbon savings. 

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Shelf Life Challenges

The shelf life of liquid eggs poses unique challenges due to the perishable nature of eggs, which are highly susceptible to bacterial growth and spoilage. These challenges are intensified by the demands of modern supply chains, which often require products to remain fresh during extended transport and storage periods. To overcome these hurdles, Aran has developed aseptic bags specifically designed for liquid egg packaging, providing a solution that aligns with the needs of global markets.

The Liquid Egg Production Process

Liquid eggs are prepared through a carefully managed process. Fresh eggs are collected, cracked, and filtered to remove shell fragments. Depending on the product, the yolk and white are either separated or left together. This mixture is then pasteurized through a heat shock process to eliminate bacteria, followed by rapid cooling to approximately 4°C to preserve quality and safety. The shelf life of liquid eggs depends on the factory and manufacturing conditions but typically ranges from 7–10 days when stored at 0–4°C. However, when packaged in aseptic bags, the shelf life can be significantly extended to up to 90 days, making these products even more versatile for global distribution.

Advanced Packaging for Improved Preservation

Aran’s aseptic bags prevent leaks or tears during filling and handling, maintaining product integrity. They are equipped with fitments that ensure sterility throughout the supply chain and are compatible with various filling and dispensing machines. This integration into automated filling lines simplifies operations for manufacturers, allowing them to scale production while preserving quality.

Driving Growth in the Liquid Egg Market

David Silis, a loyal customer and liquid egg manufacturer, has relied on Aran’s packaging solutions for many years. He states: “Aran provides reliable and comprehensive service. Throughout all my years of working with the company, we have not encountered a single leak from the bags—a quality that is hard to find with other packaging suppliers. The bags are durable and perfectly suited for the pasteurized liquid egg filling process.”

As the liquid egg market grows, Aran’s high-quality packaging enhances efficiency, food safety, and product integrity, helping businesses deliver superior products to their customers.

If you need packaging solutions for liquid eggs—standard, aseptic or custom options—please contact us. We are here to help you keep your eggs fresh throughout the supply chain.

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Our advanced Premium Flex 2.0 bag, designed specifically for long-distance liquid food transport, won the silver medal, standing out among a dozen top packaging solutions. The Premium Flex 2.0 is an evolution of our first-generation Premium Flex BIB, renowned for addressing challenges in logistical distance and food safety. With the elimination of metalized layers, Premium Flex 2.0 is composed of mono-material, fully recyclable in the PE cycle. Using an ultra-thin EVOH barrier (less than 5%) ensures food safety, flexibility, and extended durability for distances of up to 8,000 kilometers across various transport methods. This design reduces the need for additional protective packaging, minimizing waste and enhancing food safety in a way that aligns with global sustainability goals.

In addition, we received a certificate in the Sustainable Packaging category for our largest bag sized 2.2m x 7m for gas storage made for HomeBiogas. This large-capacity bag holds over 7 cubic meters of gas, transforming organic waste into energy for cooking and heating in remote areas. This innovation empowers off-grid households by providing a renewable, low-cost energy source and supports environmental conservation by repurposing waste. Recognized for its potential to bring clean energy to underserved regions, this bag has further strengthened our commitment to social and environmental impact.

Lior Mor, CEO of Aran Group, expressed pride in the company’s achievements: “These awards are a testament to our team’s dedication to driving meaningful change through innovative packaging solutions. The Premium Flex 2.0 and our gas storage bag represent our commitment to sustainability, pushing boundaries to create products that serve our clients and the planet. We are honored to be recognized and looking forward to improving the packaging industry.”

We look forward to competing in the upcoming WorldStar 2025 awards and continuing to shape the future of sustainable packaging.

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Meeting the Needs of the Institutional Milk Market
Institutional customers—such as large-scale catering services, restaurants, and cafes—require packaging that can handle volumes exceeding 10 liters. These clients seek solutions that ensure product freshness and safety while offering cost-effective logistics and operational efficiency. Our flexible packaging caters to both fresh and aseptic milk. Fresh milk packaging requires refrigeration and has a limited shelf life, while aseptic packaging provides long-term storage solutions without refrigeration, making it ideal for logistical transportation over long distances.

Sustainability and Environmental Impact
The environmental impact of packaging is a growing concern across industries. Aran’s Bag-in-Box (BIB) solutions provide an eco-friendly option that reduces waste compared to traditional packaging methods. A single 10-liter BIB can replace ten milk cartons, minimizing material use and waste. Additionally, our BIB solutions are designed with recyclability in mind, helping customers meet their sustainability targets while maintaining operational efficiency.

Flexibility in Applications
Our packaging solutions offer versatility, accommodating various dairy products, including milk, yogurt, cream, and plant-based alternatives like soy, almond, and oat milk. With the increasing demand for these alternatives in cafes and restaurants, our flexible bags can be customized with different fitments to integrate with various dispensing systems, ensuring effective use for both traditional dairy and plant-based products.

Customized Solutions for Fresh and Aseptic Milk
Each dairy product has specific packaging needs. For fresh milk, we offer polyethylene (PE) bags that are not laminated and do not require barriers, making them suitable for refrigerated products with shorter shelf lives. Available in volume range from 5 to 20 liters, these bags are 100% mono-material and fully recyclable in common recycling streams worldwide. For aseptic milk products, we provide barrier bags with EVOH or laminate layers specific to the product’s shelf life, and logistical needs. The growing trend in Europe favors EVOH due to its recyclability and reduced environmental impact. With less than 5% of the material comprising the EVOH layer, these bags are fully recyclable and designed to protect aseptic milk products, ensuring they remain fresh and safe for extended periods without refrigeration.

Dispensing Solutions for Institutional Use
Flexible packaging solutions adapt to various dispensing systems. Whether customers require a manual pour option or a system with a tube and pump, we offer fitments that suit different setups. Our bags are compatible with the Silver King dispenser, widely used in the milk industry, enabling easy connections for efficient milk dispensing. They can also integrate with systems that facilitate easy cleaning, making them ideal for institutional kitchens, cafes, and high-volume milk users.

Milkit’s Project
Aran manufactures high-quality bags for Milkit’s innovative milk tap solution. Our bags meet the highest industry standards, ensuring efficient, safe, and easy storage while being aseptic and environmentally friendly. This partnership reflects our shared commitment to sustainability and innovation, as we develop a more eco-friendly solution for milk packaging.

Global Reach and Market Expertise
Aran’s flexible milk packaging solutions have been serving the global market for over a decade. With production facilities in Israel, Spain, and the USA, we are strategically positioned to support customers across North and South America, Europe, and the Middle East. Our geographical distribution, combined with our wide range of products and fitments, allows us to cater to the specific needs of each market.

Over the years, we have consistently seen growth in our milk packaging division, with double-digit increases in market share annually, largely due to our commitment to innovation and our ability to provide customized solutions that align with the latest market trends and regulatory requirements.

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