Industry guide
Sustainable corrugated packaging
Corrugated packaging is already one of the most sustainable packaging materials available — highly recyclable, made with significant recycled content, and biodegradable. But not all sustainability claims are equal. This guide covers what buyers should know about corrugated sustainability, certifications, and how to evaluate supplier claims.
Corrugated by the numbers
Before comparing certifications, it helps to understand where corrugated already stands on sustainability fundamentals.
~90%
U.S. corrugated recovery rate
Corrugated is one of the most recycled packaging materials in the world. The U.S. recovery rate has been above 85% for over a decade.
50%+
Typical recycled content
Most corrugated board contains 50% or more recycled fiber. Some mills produce board from 100% recycled content.
#1
Most recycled packaging material
Corrugated cardboard is the most recycled packaging material in the U.S. by volume, ahead of plastics, glass, and metals.
5–7x
Fiber recycling cycles
Paper fibers can typically be recycled 5 to 7 times before they become too short to form strong board. New virgin fiber is added to maintain strength.
Why corrugated is inherently sustainable
Corrugated packaging has several built-in sustainability advantages compared to alternatives like plastic, foam, or mixed-material packaging.
It is made from a renewable resource (wood fiber), is widely recycled through established collection infrastructure, and biodegrades naturally if it does enter the waste stream. The corrugated industry in the U.S. has invested heavily in recycling infrastructure, and the recovery rate has consistently exceeded 85%.
That said, “sustainable” is not a blanket pass. Over-specifying board weight wastes material. Oversized boxes waste space and fuel. And not all suppliers source fiber responsibly. Buyers who care about sustainability should look beyond the material itself and evaluate how their specific packaging is sourced, produced, and optimized.
Certifications that matter
If your customers, retailers, or brand standards require certified sustainable packaging, these are the certifications to look for. Ask suppliers which certifications they hold and whether they can provide Chain of Custody documentation.
FSC (Forest Stewardship Council)
Certifies that the virgin fiber in the board comes from responsibly managed forests. FSC Chain of Custody certification tracks the fiber from forest to finished product. Look for the FSC logo on packaging if your customers or brand standards require it.
SFI (Sustainable Forestry Initiative)
A North American certification program for sustainable forest management. SFI fiber sourcing covers responsible procurement practices. More common among U.S. and Canadian mills than FSC.
PEFC (Programme for Endorsement of Forest Certification)
An international meta-certification that endorses national forest certification systems. PEFC is the world's largest forest certification system by area.
Recycled content claims
Some mills and converters certify their recycled content percentage. Look for specific recycled content claims (e.g., "minimum 70% post-consumer recycled fiber") rather than vague "eco-friendly" labels.
Practical ways to improve packaging sustainability
- Right-size boxes to eliminate void fill and reduce material usage per shipment.
- Specify the minimum board grade that still protects the product — heavier board uses more fiber.
- Ask suppliers about their recycled content percentage and request board with higher recycled fiber.
- Eliminate unnecessary coatings or laminations that complicate recyclability.
- Use water-based inks instead of solvent-based for printed boxes.
- Consider switching from foam inserts to corrugated inserts or molded pulp — keeping the entire package mono-material and recyclable.
- Work with a supplier close to your facility to reduce freight emissions.
- Set up a baling program to recycle your own corrugated waste from inbound packaging.
Source sustainably
Find suppliers with sustainability certifications
Browse the supplier directory to find manufacturers with FSC, SFI, or recycled content certifications. Compare capabilities and sustainability credentials side by side.