Paper & Fiber

Corrugated Cardboard — EPR Packaging Material Guide

Corrugated cardboard is fluted fiberboard used for shipping cases, mailers, cartons, and protective packaging.

Need help documenting Corrugated Cardboard packaging?

What is Corrugated Cardboard?

Corrugated cardboard is fluted fiberboard used for shipping cases, mailers, cartons, and protective packaging.

Common uses

Shipping boxesMailersRetail-ready casesInserts

EPR Classification

Report C-flute, E-flute, kraft corrugated, and cardboard shipper components as corrugated where applicable.

Recyclability: Corrugated is widely recyclable when clean and uncoated.

Recycled content: High recycled content is common. Track percentage and whether content is post-consumer.

Common Packaging Formats

Format	Typical weight	Common products
Mailer	40-180g	DTC shipments
Shipping box	120-800g	Cases and ecommerce

How to Document Corrugated Cardboard

• Request basis weight or finished component weight, coating information, and recycled fiber content.
• Separate corrugated, paperboard, molded fiber, coated paper, and uncoated paper.
• Document whether coatings, laminates, or windows change recyclability or material classification.

Often Confused With

Paperboard CartonMolded Fiber

Use supplier source text and evidence files to avoid material misclassification. When the material is uncertain, flag it for review rather than guessing.