Retro casual backpack trendy printing contrasting colors fashionable outdoor versatile large capacity

Lining texture: Polyester Hardness: soft Function: Waterproof, Wear-resistant Material: PU Opening method: zipper Bag internal structure: zipper hidden bag, mobile phone bag, mezzanine zipper bag Popular elements: contrasting colors Size: uniform size Length: 31 cm Height: 24 cm Width: 13 cm