Hi, Dear little angel, welcome to Jacenvly, our products are cheap and good quality, price is fair, you can't miss it. If this product is not your style, please click on our store, we have many kinds of products, there will be you like and suits you. If you have any questions about your purchase, please send us the first message, we offer world class customer service to make your purchase without your worries. Have a nice day. Business Backpack, Bag for Travel Flight Fits 15.6Inch Laptop With USB Charging Port Feature: Product size:41x29x12cm/16.14x11.42x4.72in Colour: Black,Gray, Blue,Red Material: Oxford cloth Net weight: 0.4536kg/1lb Gross weight:0.4536kg/1lb Packing size:41x31x2cm/16.14x12.2x0.79in Capacity: 20-35L Description: [ Zippers] The surface is made of new generation Oxford cloth , and wear-. With thezipper, the stitching around the zipper is more durable than before. [Unique function] 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. [Breathability] Padded cushion of the backside and shoulder strap reduce the pressure effectively. Adjus-table 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 con-vert into a handbag. Strap on the backside fixed on a trunk when you go on a journey. [Specifications] The size is 41x29x12cm/16.14x11.42x4.72in. It weighs on-ly 0.45 kg . you can easily organize your luggage. such as 13.3-inch PCs ,mobile phone ,the 500ml bottle，Business document ,the 2-3 days clothes for short trips etc。 [Water & Multipurpose] 15.6 inch laptop travel backpack is well made of water and Polyester Fabric with metal zippers, which perfects for business traveling, professio-nal office work bag and other outdoor activities, college high school student backpack for Package Content: 1x Casual backpack Business Backpack, Bag for Travel Flight Fits 15.6Inch Laptop With USB Charging Port Feature: Product size:41x29x12cm/16.14x11.42x4.72in Colour: Black,Gray, Blue,Red Material: Oxford cloth Net weight: 0.4536kg/1lb