Outer Material: Nylon

Size: Main body: Length 12.4 inches (31.5 cm) x Width 6.3 inches (16 cm) x Height 17.3 inches (44 cm); Pouch: Length 7.1 inches (18 cm) x Width 4.3 inches (11 cm) x Height 2.0 inches (5 cm); Ultra-lightweight backpack itself and ergonomic wide shoulder strap that prevents your shoulders from getting tired even when carrying for a long time

Large capacity: 1. The computer pocket is compatible with 15.6 inch laptop, 15 inch, 14 inch, and 13 inch Macbook/laptop. There is cushioning on the back and inside to protect your laptop. 2. The main pocket can store books, lunch, clothes, learning supplies, and travel accessories. 3. The front pocket with key holder can store various items such as keys, cell phones, wallets, and books. 4. The side mesh pocket can store water bottles and folding umbrellas

[Lightweight] A comfortable and lightweight backpack. Lightweight and high quality 600D nylon, the back is soft, lightweight and durable

(Superior Quality Fabric) The material is made of superior quality, and it is durable and resistant to tearing, preventing water from wiping down within 5 minutes, and there is no trace. High elastic sponge padding straps and shock-resistant back provide extra back support and comfort