buy a new Macbook for my daughter go off to college . assume there be go to be a lot of wear and tear so wanted to protect it as much as possible . could not be happier . the installation be a breeze . about 8 seconds to figure out which way to align the bottom , then snap into place . the top be equally as easy . about 5 seconds to snap in place . receive it within 2 day . Amazon never fail to please I !