Crystal Hard Laptop Shell Case For Macbook Air 11" Thin and high-transparent, show the original machine color absolutely. Only 1mm thin thickness,high-transparent PC material, show the original machine color absolutely. Full protection design that the case fit each arc of machine precisely. Hard and durable PC, non-toxic and tasteless. The cooler design on the bottom of the back case, which speed up the notebook heat. High treatment of four angle non slip mat in bottom case, it is anti-slip and prevent the wear during notebook and desktop. Thin clear design, restore loving machine aesthetic feeling. Keyboard and Screen Cover included Crystal Hard Laptop Shell Case For Macbook Air 11"