Luggage size: medium size Capacity: 20-35L Internal structure of bag: mobile phone bag, Identification bag Opening method: zipper Applicable gender: neutral/male and female Material: canvas with lock: no with or without rain cover: no Function: breathable : other Model: 1 Processing method: printing Hardness: medium to soft Pattern: person Gift giving occasion: travel commemoration Printed logo: yes Customized: yes Style: casual Lining material: nylon Accessory type : None Number of shoulder straps: double Popular element: chain Carrying parts: soft handle Type of outer bag: inner stick bag Luggage shape: vertical square with or without drawbar: no Series: game periphery Backpack system: arc shoulder strap