【Multifunctional Backpack】This backpack can be carried with you or to work and school, can be easily stored, casual style, suitable for daily travel, commuting to work, business trips, outdoor activities, shopping, school, unique gifts for students, youth, men, women. 【Perfect size】This casual backpack11.8*4.7*17 inch(L*W*H), its weight is 0.97lb/0.44KG.Generous, wide-open main compartment with a padded sleeve for a 15.6-inch laptop and several functional pockets allow you to keep all your devices securely and organized in place. 【Large capacity】 The school bag has a main compartment with double metal zippers,inside has a padded laptop pocket, a exterior zipper pocket, mesh pocket on the both side, it's large enough to keep your things organized and safety. 【Safe and durable material】This backpacks is made of safe, high quality and environmentally friendly materials which is water-resistant, durable and wear-resistant. Comfortable back design with thick but soft multi-panel padding, gives you maximum back support. 【Property security】The back of the bag has a large hidden pocket for easy access to store your valuables.The anti-theft bag in the back could hold valuable goods, cell phone, wallet, passport etc.,can protect your property safe.