40L Waterproof Outdoor Sports Camping Backpack with Rain Cover Hiking Trekking Mountaineering Travel Cycling Backpacks BagsFeature:Large Capacity Backpack: This trekking pack has a capacity of 40L and measures 21.3x13.8x9.1 inches. Multi-compartment design, including a zippered main compartment, a zippered front pocket and two side pockets, a divider and a small zippered pocket in the main compartment, With more than 10 pockets to store everything you need on the go. Durable Material: Our camping backpack is made of high-quality waterproof polyester fabric with a smooth metal zipper. The seams on the backpack and the shoulder straps are tear-resistant even under heavy loads. All stress points are reinforced with steel bars for increased durability. Breathable mesh lining: This is an ergonomically designed backpack. With breathable mesh, padded straps on the shoulders and back. It is an ideal hiking backpack for outdoor activities. Practical & Multifunctional - This travel backpack easily folds into its own storage pocket; Solid shoulder straps with large foam padding relieve the shoulders. Ideal comfort for daily use or trips, vacations, travel, hiking, school, camping and shopping. Six functional advantages are the best choice for travel and mountain climbing. Improves the breathable decompression transfer system. The length of the