... 3.tasteless,non-toxic,,eco-friendly 4.resist high heat silicone bottle sleeve,baby bottle cover1.made of 100% food ... grade silicone original material with FDA,LFGB&SGS standard2.enviroment protection , ... to human body3.good flexibility,ametabolic malke bottle resist breakage4heat insulation ,resistance temperature range:-40 degree to +260 degree celsius5. ...