The West Wolf Hiking Backpack Camping Backpack Travel Backpack 45l cellulose Made of super light fabrics.High strength zinc alloy resin zipper Reduce the burden system design, travel more convenient, the backpack the thickening sponge protection a good protection; it can effectively reduce the burden. Size:20.9"x8.3"x11"(LengthxHeightxWidth) Multipurpose: Cycling,Outdoor Travel,Hiking,Trekking,Camping,Mountain Climbing