Paladineer Portable Outdoor Sport Waterproof Hiking Backpack Travel Dayback Military Backpack Waterproof Rucksacks Tactical Military Bag - Ideal for Military Fans,Camping,Hiking,Cycling,Climbing,Travel and Other Outdoor Activities 40L Made of nylon, is durable and waterproof. Not easy to be distracted with buckles designed on both sides of the bag. Sturdy and durable with bag straps fixed by compact car suture. Excellent quality of the bag with The sign of LOGO. Convenient to take commonly used items with the zipper bag, mesh bag and the Type D hook designed on the bag.