... made 100% food grade silicone. odorless, nontoxic and anti-dust, shock resistance all colors and size available silicone tubeSpecifications:Certifications passed:ISO9001 ... ,ROHSsilicone tube has the following advantages1)nontoxic and anti-dust, shock resistance2)heat resistance3)cold resistance4)waterproof5)abrasion resistance6)assured quality7 ...