... 4.dustproof, waterproof, durable and washable,ametabolic5size of silicone phone case:Different designs, sizes, colors, logos ... to apply to your mobile phone8.certificastion of silicone phone case: SGS&FDAItemDescriptionMaterialsiliconecertificateSGS report for materiaworking environmentdust ... effect to human body.eco-friendly ¨ Form-fitting silicone skin designed to perfectly fit your iphone. ¨ Light ...