Brand New Slim Hardshell Laptop Case - MacBook Air. Protection for your MacBook Air doesn’t have to be heavy and bulky. Snap on Mophie’s Slim Hardshell Case for peace-of-mind protection with a lightweight, streamlined design. It lets you access all ports on your device, and its no-slip, rubber feet provide additional stability. The sleek, minimalist design keeps the focus on your device and maintains MacBook’s clean aesthetic.