lapbackpack men pack office work women bagpack business anti theft black thin light backpacking usb external charge

item measure by hand, it could be 1cm different,your kind understanding will be much appreciated. material:nylon+polyester
size:height*width*thickness is 42*30*12cm, the error is about 1cm please be reminded that due lighting effects, monitor's brightness/contrast settings etc, there could be some slight differences in the colour tone of the website's p and the actual item..syi