TOPSKY Outdoor Sports Waterproof Camping Hiking Internal Frame Backpack 40L 50L Unisex Lightweight Travel Daypacks with Rain Cover nylon Weight only 1.3kg and 1.5kg, Product Dimensions(40L):52cm (H)*30cm (L)*20cm (W)/20in(H)*11in(L)*8in(W)Size(50L): 56cm (H)*35cm (L)*23cm (W)/22in(H)*14in(L)*9in(W) 2 Capacity for choosing: 40L, 50L; High quality professional backpack for camping, hiking and backpacking, functionally versatile. Main compartment with divider, bladder compartment with hydration access, hip-belt pockets, front pockets and side pockets to keep your stuff separate and organized. Extend hanging tools: Daisy chains, D-shape hooks, compression straps, bottom loops, soft latching loops, key rings and bottom straps for hanging tools, trekking pole, tents, sleeping bags, and other accessory. Powerful function, Traveling around the world is not a problem. SBS zipper, 2-ways zipper, convenient for outdoor or daily using. YNS buckle, cold-resistant and securely; reflective strip design and hydration outlet design, water repellent and come with a rain cover, perfect for outdoor sports. 3D resin mesh carrying system, increase resin mesh back and air cushion gasket waist, 3D breathable mesh and inner filling soft interlayer sponge, buffer shock absorption, reduce the pressure of body contact area, further enhance with comfort.