Using this Incase hardshell case is a breeze. Just slip your MacBook Pro Retina 15 into the case. You'll still be able to use all the ports, lights, and buttons as normal. When it comes to cleaning, use a soft, dry cloth to wipe the case. Avoid using harsh chemicals as they might damage the case. Keep it away from sharp objects to prevent scratches. If you're not using it, store it in a cool, dry place.