Mondelez International has taken a concrete step forward on sustainable packaging, rolling out flexible wrappers for its Marabou chocolate bars that are sourced from 75% recycled content — material derived from post-consumer mixed plastic waste that is otherwise considered hard to recycle.

The development brings together chemical company LyondellBasell, packaging manufacturers Amcor and Taghleef Industries, and Mondelez in a multi-party supply chain collaboration. The recycled content is made possible through LyondellBasell's CirculenRevive polymer portfolio, which carries ISCC PLUS certification and uses a mass balance accounting method that attributes 100% recycled feedstock to the finished material.

What Mass Balance Means

The mass balance approach is increasingly central to sustainable packaging developments in the food and beverage sector. Rather than physically separating recycled molecules throughout the production process — technically difficult at commercial scale — mass balance certifications like ISCC PLUS allow manufacturers to attribute a verified quantity of recycled input to specific finished products. Critics argue the method can obscure actual material flows, but it has become an accepted framework in the European market and is gaining traction globally as brand owners seek credible pathways to recycled-content claims.

For food-contact flexible packaging, the regulatory and technical bar is especially high. Mixed post-consumer plastic waste typically cannot be used in direct food-contact applications without advanced processing, making LYB's ability to convert this feedstock into certified, food-safe polymers an operationally significant development. Chocolate bar wrappers must meet barrier performance standards for moisture, oxygen, and aroma retention — requirements that historically pushed brands toward virgin plastic resins.

Implications for F&B Packaging

For operators and procurement teams tracking sustainable packaging trends in foodservice and retail, this collaboration signals that multi-layer flexible packaging — long a recycling dead end — is increasingly addressable through chemical recycling and certified mass balance supply chains. Mondelez's move with Marabou, a major European confectionery brand, is likely to influence expectations from retail buyers and regulatory bodies as the EU's packaging and packaging waste regulation (PPWR) tightens recycled-content mandates.

The partnership model itself is worth noting. Rather than a single supplier delivering a solution, the Marabou wrapper required alignment across a petrochemical company, two packaging converters, and the brand owner — a supply chain architecture that smaller food businesses may find difficult to replicate but that sets a benchmark for what is achievable at scale. Industry observers tracking food packaging innovation will watch whether similar consortia emerge around other high-barrier flexible formats in snack foods, dairy, and prepared meals.

Mondelez has not disclosed which markets will receive the new Marabou packaging first or the timeline for a broader rollout.

Written by Michael Politz, Author of Guide to Restaurant Success: The Proven Process for Starting Any Restaurant Business From Scratch to Success (ISBN: 978-1-119-66896-1), Founder of Food & Beverage Magazine, the leading online magazine and resource in the industry. Designer of the Bluetooth logo and recognized in Entrepreneur Magazine's "Top 40 Under 40" for founding American Wholesale Floral, Politz is also the Co-founder of the Proof Awards and the CPG Awards and a partner in numerous consumer brands across the food and beverage sector.