Description :
Anti-Theft Hard Shell Backpack 15.6-Inch,Expandable Slim Business Travel Laptop Backpack for Men,Water Resistant Black Laptop Bag with USB Port
Dimensions: 17.7 x 12.6 x 4.7 - 7.1 inches
capacity: 18L - 26L
Expandable backpack has smooth zippers on side. Once pull on the zipper, bag will offer large capacity up to 26L for you to store more stuffs (Laptop pocket size: 15.7 x 11 x 1.2 inches)
Laptop backpack is made of high-density waterproof PC&ABS hard shell and oxford fabric (zippers are not waterproof)
Thickened pearl cotton and soft polyester lining will protect your laptops from shock and scratch
The lightweight travel backpack with scan smart technology can be freely opened 90-180 degrees, allowing you to quickly pass the airport security check and keep your things tidy
TSA customs lock can protect your items from thieves
Adjustable anti-slip breathable S-shaped mesh shoulder straps with plentiful sponge help relieve the stress from your shoulder
3D honeycomb breathable back cushion can reduce the sultry feeling of the back
Built-in removable charging cable is convenient to charge your cell phone by connecting your power bank, this tech backpack can free your hands from power bank