Soarpop 55L Oversize Outdoor Water Resistant Backpack, Trekking/ Camping/Hiking/Climbing Bag Water-resistant & wear-resistant nylon fabric.Durable and sturdy. Dimension: Large capacity 55L 12.6*8.6*19.6 inch (LxWxH). Easy to fit 15.6 inch Laptop, Very portable and convenient for assorting things. Large enough to carry what you need in the Camping/Hiking/ Trekking/ Outdoor activities. Adjustable shoulder straps,waist-belt and ergonomically designed with added padding. Comfortable and reduce pressure. D-shape hooks, compression straps and bottom straps for hanging tools, sleeping bags, hammock and other accessory.