Business backpack men's high-quality anti-theft schoolbag large capacity multi-function usb charging computer backpack waterproof

Computer size: 14 inches Lining texture: Polyester Function: Waterproof Material: Oxford cloth Carry system: curved shoulder strap Popular elements: sewing lines, contrasting colors, stitching Style: Business commuting Capacity: 20-35L Size: uniform size Length: 44 cm Height: 29 cm Width: 16 cm Label: Yes Washing Care: Hand or machine washable