Unique design with Front and Back 2 cases, Degree full body protects mobile phone from scratch, drop and shockproof.Quality non-toxic soft TPU material which is more flexible and durable.Durable full coverage 360 degree protection with port and feature cutoutsInstallation method: This item contains front and back cases which should be used at the same time. That means you cannot just use the front or the back one. Then put the back case on your cell phone and then the front one, make sure that the back case is totally covered by the front case. Finally, your cell phone would be protected sturdily and steadily.You can use this item with a temper glass screen protector and it may affect a little bit but not too much. If you extremely concern about the touch sensitivity, please do not put on the temper glass screen protector, because this item can protect your cell phone sturdily without the temper glass screen protector.