Bayke&reg; iPhone 4 4S 3in1 Hybrid Camo Tough Grass Print Dirtproof Defender Purple Silicone Rubber Case Cover The Impact case is made of hard plastic outside. The inside of the case is protected with silicone, offering a rubberized feel. Protect your phone from scratches, dirt and bumps. Strong ABS protective plastic, durable and light weight Specially molded to fit your Phone perfectly