This waterproof polyester backpack is designed for hiking and camping. It features a large capacity, multiple storage bins, and a unique honeycomb design to keep you cool. The backpack is made of 840D wear-resistant and water repellent material, with a smooth and non-jamming zippered closure. It also has an adjustable shoulder belt and a mountaineering stick binding rope. The product size is 52 * 32 * 18cm/20.47*12.6*7.09inch and it is available in multiple colors.