SIZE-11.8"(L) x 5.8"(W) x 17.7"(H) Weight:500g★ Double-layer interior inside the main pocket fits 15.6" laptop and 10.5" iPad. ★ 180 degree main pocket can be opened using side velcro strap. Easy to fill. Secure closure and TSA compliant design : The backpack is constructed of a comfortable and durable design: This backpack features double zippers and high-quality materials to last. Breathable cotton back layer supports your back and effectively comfort your shoulder Design details: the backpack strap can be installed in the trunk of the car,and the USB port design allows you to charge your mobile device easily. The small pocket provides room for your small items such as a headphone and power bank charger. Simple and fashion design: the bag has a simple and elegant design, perfect for daily work, school, and travel. Great gift for Thanksgiving and Christmas.