Silicone jacket for MP3,MP4,MP5 1.100% silicone 2.Waterproof 3.Shockproof 4.Dust-proof Silicone case,MP3 player case,skin case Material: Silicone Item: silicone mobile phone case Material: 100% silicone Color: blue and white Size: as your demand Feature: Green without harm Style: as your demand Usage: protect mobile phone,MP3,MP4,air condit