Installs quickly on the iPhone, just do it slipped the phone into the compartment. Despite the rigidity of the shell, access external buttons is very easy to use. However, those who are used hulls silicones may not love because the hull is quite bulky and really hard. But for those who like fancy this is perfect. There are two small recess for bending the ears and feet thanks to the iPhone Stitch can stand up, placed on a table for example. Beautiful shell. Delivery in 10 days make!