Compatible with: MacBook Air13"/13.3" No.A1369/A1466 released after Oct.2010 WARNING: This case can't Fit Macbook Pro 13'' Macbook White 13'' can't fit Macbook Pro 13'' with Retina display. 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: 32cm x 22.5cm (approximate) 4. If you are not sure of the model of your MACBOOK you can see at the bottom of the MACBOOK. Number at the bottom of the Apple Macbook Air 13.3 inch is A1369 / A1466