BANGE Laptop Anti-theft backpack Hard Shell Expandable Commute backpack can Hold 15.6 inch laptop for men and women Laptop Anti-theft backpack Hard Shell Expandable Commute backpack can Hold 15.6 inch laptop for men and women size 18.5 Inch(h) *11.8 inch(l) * 3.5 inches(w) expandable size 18.5 Inch(h) *11.8 inch(l) *6 inches(w)，weight: 3.2 ibs, it can be compatible for 17.3 inch laptop. BANGE hard shell backpack has the most popular design, which is perfect for office work, travelling, commuter, etc.TSA accepted luggage lock and flat open design allow you to navigate quickly through the airport security. TSA customs lock can protect your valuable items from thieves.hard shell backpack is a suitcase backpack, you can open it as 180 degree to put your items and take it hold the backpack upright on the luggage's pull rod for easy traveling Detail show Waterproof material Waterproof material shell backpack ,prevent your laptop or other electronic items from getting wet ,as well as keep away from filth or dirt. Glasses Hanging Free your hands and on need to put the glasses into any pocket, you can hang the glasses on the shoulder strap. Anti-theft backpack There have a anti-theft pocket ，you don't worry about wallet or other important things miss. Durable Handle You can use it as a handbag or carry on backpack when traveling. Business backpack Daily backpack Laptop backpack Anti-theft backpack