100% recycled polyester 600D. Backpack in minimalist style, with handle, zipped main compartment, padded inner sleeve for tablet/laptop up to 13 inches, zipped inner mesh pocket two inside mesh pockets, interior bottle holder, interior lining with premium finish, exterior front pocket with zip and rain flap and interior slip pockets, with luggage strap. Removable label, Dimensions: 40x30x20 (suitable for most airlines).