... backpack 2, material: 420D nylon coated with TPU 3, high quality & durable 4, customize with logo 5.military camouflage waterproof ... books, or others to camp site3, durable waterproof and lightweight4, high quality, 100% waterproof5, good idea for promotional with logo100% ... suitable for quick submersion due to it's unique 'High Frequency' fully welded seamless construction.With a 2 way closure ...