Here's a design that adapts perfectly to the hull Macbook Pro 13 to effectively protect the various weaknesses. Installation and uninstallation are easy possible by a system of clips well developed. DAfter that I was able to test, the shell does not defeated if significant shock. Above all, and this is where lon naurait may have fears, daily nest lusage not hindered by the hull; on the contrary, sy does very well: it stabilizes the Macbook, prevent him from slipping, protects, and prevents even upstream that it will not slip out of your hands Advisable