FENRUIEN Anti-Theft Hard Shell Backpack 15.6-Inch,Expandable Slim Business Travel Laptop Backpack for Men,Water Resistant Black Laptop Bag with USB Port - FRN5013UP

• [ INVISIBLE EXPAND ] : Dimensions: 17.7 x 12.6 x 4.7 - 7.1 inches, capacity: 18 L - 26 L. Expandable backpack has smooth zippers on side. Once pull on the zipper, bag will offer large capacity up to 26 L for you to store more stuffs [ DOUBLE PROTECTION ] : FENRUIEN armored laptop backpack is made of high-density PC&ABS hard shell and oxford fabric. Thickened pearl cotton and soft polyester lining will protect your laptops from shock and scratch (Zippers are not water resistant) [ TSA FRIENDLY ] : The lightweight travel backpack with scan smart technology can be freely opened 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 [ ERGONOMIC DESIGN ] : 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 [ SMART USB PORT ] : 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 (Power bank is not included)