Mosiso Plastic Hard Case Cover for MacBook Air 13 Inch (Models: A1369 and A1466), Blue and Pink Snap on design, easy on easy off Fully access to all buttons and features Plug your charger, cable or headset without removing the case Superlight-weighthardshellwithexquisitefinishprotectsyourMacBookfromscrapesandscratches 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;.