These Nature Flex™ cellophane bags are made of heavy weight 1.6 mil materials which make them perfect for cookies, candy and other gourmet food. These bags are available both flat and with gussets in large and small sizes! Our biodegradable cello bags made from wood cellulose fibers sourced with sustainable forestry principles, certified biodegradable, compostable and made carbon zero. Each bag meets ASTM D6400, EN13432 standards for CA and other states, complies with FDA regulations for food packaging and is heat sealable with high oxygen barrier properties. Made in the USA.