First Design Funny I don't care quote RUBBER iphone 4 4s Durable Case Made up with high quality PC and TPU material Form-fitting durable protection Snug fit that also makes for easy on/off. Safeguard your expensive device from the the drop damage, scratches, spills, soil, dust, and daily wear-and-tear. The Back is made from plastic, the other 4 sides are made from TPU.