Product Description Material : [pd_material] Size : [size_desp] Color : [pd_color] Package : [pl_packet_qty] [pd_unit] KeyWords : 15.6 Inch Laptop Backpack;Mens Male Backpacks;Business Notebook backpack;Waterproof Back Pack;USB Charging Bags Travel Bagpack Features : *Best choice for short journey and easy your daily life. *With external USB port and build-in cable connected with your power bank inside which will charge your phone more easily. *One hidden zipper pocket equips on the back to pack your wallet, money, cards. *This invisible design increases the security of your stuffs of value inside. *Backpack is made of water-resistant microfiber leather and durable ballistic nylon materials. Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2.Please allow 2-3mm differences due to manual measurement.