Description-Abrasion-resistant and water-repellent design -- The 300D encrypted polyester fabric has been tested in the laboratory to meet the wear-resistant standards and can resist outdoor shrubs and rock friction. It can effectively prevent water splashing in light rain and is suitable for light outdoor activities such as hiking and cycling.-Lightweight folding design -- This foldable hiking backpack has a capacity of 20L and weighs 65g (about 2.3 ounces). Unfolded size: 11.8×4.3×16.1 inches (30×11×41cm), Folded size: 2.7×1.9×5 inches (7×5×13cm). After folding, it can be put into a coat pocket or storage bag for easy storage and space-saving.-20L practical capacity design -- The hiking backpack can accommodate: 3 pieces of thin compression clothing, 1L standard water bottle, sundries bag. It meets the basic loading needs of one-day hiking or urban cycling.-ComfortableBreathable Design ---The shoulder straps of this folding backpack are designed with breathable mesh and adjustable buckles, which keep you cool and comfortable in wet weather and relieve shoulder pressure.-Multi-Occasion Use -- This zippered lightweight hiking and cycling travel backpack can be used as an outdoor sports bag, hiking backpack, camping backpack, cycling backpack, climber or leisure backpack. I believe this backpack will become your best choice for outdoor activities and will accompany you walking, shopping, cycling and exercising.Detail:Material: PolyesterCapacity: 20Lweighs: 65g (about 2.3 ounces)Unfolded size: 11.8×4.3×16.1 inches (30×11×41cm)Folded size: 2.7×1.9×5 inches (7×5×13cm)