... : black,white,red,green,yellow,blue or follow the color codeAdvantageGood Ozone resistance, aging resistance, high/low ... W270, ACS, FDAMaterial100% pure silicone Material usage is based on the final product condition.Packing Spec.Standard packing:a. plastic ... standard packing: follow customers' requirementVarious colors & sizes for your reference. Long service life silicone tube used for auto part