This waterproof mountaineering backpack is made of 600D Oxford Cloth and Polyester, featuring a capacity of 80L and 100L with expansion. It is designed for hiking, camping, and other outdoor activities, with a durable and scratch-resistant design. The backpack includes high-strength buckles and smooth, heavy-duty zippers for reliability. It is available in various colors, including Black, Grey, Brown, Green, and Camouflage.