ITEM: WATERPROOF BAGS FOR OUTDOOR SIZE: 30L. MATERIAL: TPU ... BAGS LIKE: WATERPROOF COOLER BAGS, WATERPROOF HIKING BAGS, WATERPROOF HUNTING BAGS, WATERPROOF CAMPING BAGS, WATERPOOF BOATING BAGS, WATERPOOF FISHING BAGS, WATERPOOF PICNIC BAGS ETC ... . 3, AIRTIGHT & WATERTIGHT GRADE LIKE IPX7 ETC.. 4, OUR MAIN CUSTOMERS LIKE KARRIMOR, HARKEN, EXTREME COLD, GRIZZLY, SAMSONITE ...