Backpack Large Capacity Multifunctional Foldable Mother BackpackProduct information: Capacity: 20 35L The internal structure of the bag: zipper pocket, mobile phone bag, document bag, sandwich zipper bag Opening method: zipper Applicable gender: neutral male and female Material: Oxford cloth Whether with lock: No With or without rain cover: None Function: breathable, waterproof, wear resistant, anti theft, anti vibration, capacity expansion, load reduction Processing method: printing Hardness: soft pattern: plain