Global Recycled Standard | GRS certification in India | GRS Consultancy services for GRS certification | The Global Recycled Standard (GRS) is a voluntary product standard for tracking and verifying the content of recycled materials in a final product. The standard applies to the full supply chain and addresses traceability, environmental principles, social requirements, chemical content and labeling. With GRS certification, you can communicate to customers your commitment to truth in materials and support for a circular economy that reduces waste by using it to make new products.