Description : Business Backpack, Waterproof Bag for Travel Flight Fits 17.3Inch Laptop With USB Charging Plug The surface material is made of new generation waterproof PU material, waterproof and wear-resistant With the YKK zipper, the stitching around the zipper is more durable than before With external USB port, you can charge your mobile phone when carrying it, which is convenient to carry Added emergency whistle for emergency, disaster prevention, outdoor, camping, etc.And you don¡¯t need to rummage your key anymore cause a practical Keychain is inside the bag Padded Air cushion of the backside and shoulder strap reduce the pressure effectively Adjustable buckle waist strap keep the backpack fixed on your body It can use as a backpack in daily life and the soft top handle allows this bag convert into a handbag. Strap on the backside make it fixed on a trunk when you go on a long journey The size is 50cm x 33cm x 18cm |