Men's backpack $ 26.70 Bag size: large Capacity: 20-35L Internal structure of the bag: ID bag, mobile phone bag, zipper pocket, computer pocket Opening method: zipper Applicable gender: neutral / male and female Material: Canvas Function: breathable, wear-resistant Processing methods: soft surface Hardness: Soft pattern: plain Applicable gift-giving occasions: travel memorial style: Casual Lining texture: polyester cotton Number of shoulder straps: three Popular elements: car suture Lifting parts: soft handle Type of outer bag: open pocket Carrying system: air cushion strap Size: height 50width 30thickness 20cm