Description 1. All our merchandise are marketed in ASIAN dimension , the dimensions is 1 or 2 sizes smaller than European and American folks,please select 1 or 2 sizes larger and examinethe dimensions chart earlier thanshopping for. 2. As measured by hand,1-3 cm distinction is allowed (1cm=0.39inch). 3. Completely differentlaptop can showtotally differentcolourseven whenit's theidenticalcolour.please enableaffordablecolourdistinction.