Big Sale G4Free 40L Hiking Backpack Daypack for Outdoor Camping with Waterproof Rain Cover Material: Made of water resistant and tear resistant nylon fabric, with SBS Zippers, high quality and durable. Humanization Design: Spacious 40L Hiking Backpack for Outdoor Sports with Comfortable Thickened Straps and Air Ventilation System. Pocket Rich Design Allows For Easy Sorting of Your Gear. The Main pocket comes with Laptop Compartment Up To 14". With Waterproof Cover can protect your stuff from rain, Multiple attachment and straps for hanging tools, sleeping bags, and other accessories. Super versatile and multi-functional pack, it is ideal for various activities such as Climbing, Hiking, Camping, Holidays, Traveling and so much more.