100 Count, 6 inch x 10 Inch Kraft Mailers, Resealable, 2 Glue Strips, Self Sealing Bamboo Kraft Fulfillment Mailers. Made of 200gsm Bamboo Kraft Paper Card. Free Shipping in the USA with tracking to all Fifty States. Make Your Handmade Products Stand Out: Grow market share, increase revenue by promoting brand awareness with truly sustainable packaging made from 100% bamboo that does not contain plastic, wood, wood pulp, or tree byproducts. This product qualifies for Free Shipping in the USA with tracking to all Fifty States.