These mailers have the following:Global Recycled Standard (GRS) - to certify the percentage of recycled content they contain Ocean Bound Plastic - to certify that the recycled plastic they are made from meets the Ocean Bound Plastic criteriaBSCI/SEDEX - Better Packaging Co. is a SEDEX member and our production facilities are either BSCI or SEDEX Certified to ensure fair and ethical working conditions in these factoriesCarbon Neutral - Better Packaging Co. is a carbon neutral company and these products can be offset upon requestUN SGDs - Better Packaging co. is a member of the UN Global Compact and these products make a positive contribution towards many of the United Nations' Sustainable Development Goals