Apple iPhone 4S 4 Retro Game Boy Gameboy Silicone Soft Rubber Gel Design Shockproof Defender Skin Case Cover 3D (Blue) Handmade item Built-in short circuit and over-charge protection. Safety First! Ergonoamic, form-fitting protective ultra-resistant case-and-battery-in-one for your phone. We can provide custom phone cases with any design for you. If you want, please contact us! Provides protection and prevents scratches, chips and dirt from accumulating