1. made of 100% silicone 2.durable,non-slippery and anti-scratch. 3.various color and multi design ItemFor Iphone 4s ... printCraftHydraulic moldingFeatureNon-toxic, eco-friendly, flexible, food grade,scented,FunctionAnti-static, dustproof, waterproof, Promotion, Decoration and Health Temperature -40c.+250c.Certification ...