Come and see our amazing products. Foldable backpack is made from gridding 420D polyester. It is a kind of outdoor recreational sports backpack. It is easy to be folded into a small zippered bag when unused. At outdoor occassions, it is convenient to keep some snacks, keyrings and coats. You can also put bottles or umbrellas in the small mesh bag at sides. The shoulder straps are adjustable and wide enough to make the traveler comfortable. 9" L x 7" W x 1.2" thick when is folded up, 11.8"W x 15.7" H x 4.7" L before folded up. Pls confirm with us about the packing info, stock color and exact production time before placing your order