Premium Eco Clear Bags are made from a plant-based PLA material that is not only certified compostable but it is also food safe. GC49 measures 4 5/16" x 9 1/2" and is perfect for packaging a single #10 business size card and envelope or slimline card. This clear eco bag features the resealable adhesive on the flap and can be folded over for a snug fit. Due to the nature of the material, this bag is not archival quality, but is great for short term use. 1.6 mil thickness.