Men's and women's backpacks, student backpacks, high school students' printed leisure backpacks, lightweight three piece travel backpacks

Capacity: 20-35L Internal structure of the bag: computer insert pocket Opening method: Zipper Material: Nylon Function: Breathable, waterproof, wear-resistant, earthquake resistant, expandable, load reducing, anti cutting Hardness: Soft Material texture: Polyester Number of shoulder straps: double straps Backpack system: Air cushion shoulder strap Colors: Purple, Blue, Black, Pink Is there a back cushion cotton: Yes Waterproof degree: splash proof Applicable gender: neutral/both male and female Scene: Outdoor