Sourcing & Certification

How to choose a recycled cotton supplier: seven questions on content, standards, blend, consistency, testing, minimums and documentation before you order.

Are sustainable materials more expensive? Sometimes, but rarely by as much as buyers expect. See what drives the cost and how to compare fairly.

A practical B2B checklist for verifying sustainable material claims: which certifications to ask for, what test data means, and how to spot vague marketing language.

How to choose materials for a sustainable bag or accessory line: start from the application, match the category, verify certifications and sample first.

Five questions that separate a vegan leather that ships from one that disappoints: composition, performance, certifications, sampling and honest limits.

What GRS, GOTS and OEKO-TEX actually certify, how they differ, and which questions to ask a materials supplier before you order — a plain-English B2B guide.