1.Top PU material, pressing the Snakeskin Striation pattern, soft coriaceous , match your mobile phone and use more durable. - 2.Vertical Open design, the case inside made of microfiber cloth with embossed, prevent the machine from scratch, let the machine is not easy to slip out. - 3.Strong, wear-resisting, durable, can prevent the machine from scratch by sharp objects. - 4.Simple is fundamental key , humanized design, does not affect any key operation, the direct use of the basic functions.