... tube 1.FDA,high clear, 2.heat resistance,life long use 3.many sizes 4.fast ship high ... clear FDA silicone pipe or tubeSilicone Tube 1. Material:100% silicone ... 3mm~ 79mm5. Tolerance:+/-0.1~ +/-1mm 6. High Temperature Resistance:-50°C----200°C(Nature color),Special ... thickness of the tube is smooth surfer, no cracks, no air bubble, no impurity high clear FDA silicone ...