The Super Frosted PRO back protection shell from Nillkin consists of two materials and offers excellent shock absorption. It has a hard and durable plastic back with soft TPU plastic sides. This dual composition provides optimal protection for your phone and is comfortable to the touch. It protects against damage, dirt and scratches, with full edge protection and reinforced corners to prevent damage from drops. Installation is easy and requires no tools. The matt, textured surface prevents slipping, and precise cut-outs for controls and ports ensure comfortable operation of the phone.