Compatible with: MACBOOK PRO 15/15.4" with retina display A1398 Only WARNING: This case can't Fit New Macbook Pro 15'' A1286 can't fit OLD Macbook with SILVER KEYBOARD A1260. 1. The polycarbonate hard case material provide a ultra-thin and lightweight protection for the MacBook; 2. The convex rubber foot-pad and vent at the bottom case can make the heat dissipation more effectively; 3. Size: 37cm x 25cm (approximate) 4.If you are not sure of the model of your macbook you can see the bottom of the macbook. Number at the bottom of the Apple Macbook Pro 15.4 inch with Retina Display is A1398