Fits Laptops Up to 15.6 Inch Kinmac New Design backpack is special and multi function Massage cushion on the straps make you comfortable even the backpack is very heavy. With USB Charging port and Built-in USB cable. Use it to connect the power bank, then connect your phone with original USB cable to the USB port, you could charge your phone conveniently.(Please notice: The outside white cable, power bank and cellphone are not included) The backpack have Big capacity and abundant pockets inside.Can hold laptop up to 15.6 inch,thick foam inside give you laptop best protection. Made of Water Resistant Canvas fabric can effectively prevent your device from water and