Material: high-quality lightweight and waterproof material. Design: Spiderman Printed Features Durable waterproof Lightweight, large Capacity, nylon Material, Durable and high quality Large-capacity storage space, adjustable strap, Ergonomics design makes comfortable Reflective shoulder straps secure safe travel during the night. Diamension: 11.8 x 6.7 x 16.5 inches; Capacity: 35 L; Recommended age: 5-15years old Please enter our store for more schoolbags and stationery.