1) Made of 100% silicone material, harm less to body. 2) Passed LFGB & FDA , and Volatile test. 3) Color: Any color is OK. Description of Silicone rubber hose: 1) Silicone rubber hose is made of 100% silicone material.2) Silicone rubber hose have passed LFGB, SGS, EN71, FDA & Volatile test.3) Silicone rubber hose working temperature Range: -40 degree to 250 degrees4) Silicone rubber hose with ...