New multifunctional dual-purpose backpack men's and women's same lightweight backpack travel waterproof messenger bag mountaineering bag

Computer size: 10 inches Lining texture: Nylon Material: Polyester (polyester fiber) Popular elements: sewing line Size: uniform size Length: 35 cm Width: 21 cm Height: 9 cm Upper material: Oxford fabric Label: Yes Washing Care: Hand or machine washable