Simple black backpack men's large-capacity schoolbag college student business computer backpack commuter leisure bag

Computer size: 14 inches Lining texture: Polyester Function: breathable Material: waterproof fabric Carry system: curved shoulder strap Popular Elements: Letters Style: Business commuting Capacity: 20-35L Size: uniform size Length: 46 cm Height: 30 cm Width: 17 cm Upper material: Oxford fabric