Bag size: large Capacity: 20L or less Internal structure of the bag ID bag, mobile phone bag, computer pocket Opening method: zipper Applicable gender: neutral/male and female Material: Nylon Whether with lock: No Function: anti-theft, reduce burden Processing methods: soft surface Hardness: medium to soft pattern: plain Style: Korean Strap root number: double root Popular elements: color contrast Carrying parts: soft handle Outer bag type: open pocket Bag shapes: square vertical section