1.Four non-slip silicone foot pads that hold the MacBook in place. 2.Two rows of bottom ventilation for full heat release to help keep your MacBook cool. 3.Equipped with a silicone keyboard cover to protect your MacBook keyboard from spillage (coffee/beer/milk), dust (crush/powder) and more. 4.Simple snap-on design for easy opening and closing without damaging your laptop during the application process. 5.Precise cuts allow full access to all ports and functions; plug in charger, cable or earphones without removing the housing. 6.The ultra-thin, lightweight hard case protector provides good protection and total protection without adding any size to your laptop.