MOSISO Plastic Hard Case Cover Compatible MacBook Air 11 Inch, Light Gray Snap on design, easy on easy off Fully access to all buttons and features Plug your charger, cable or headset without removing the case Super light-weight full protection solution for the exquisite finish to protect your MacBook from scrapes and scratches Start with the top cover of the case. Clip the 2 clips at the back of the MacBook first. Pull the case slightly to the front until the 3 clips &#034;clicking&#034;. Turn around the MacBook. Clip the bottom cover on the back of the MacBook first. Pull the case slightly to the front until the clips &#034;clicking&#034;.