Three piece set of new trendy backpacks, student backpacks, casual camouflage travel backpacks, large capacity computer bags

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