... 4.Nontoxic, odorless 5.Quality guarantee Specifications:Silicone extrusion tube 100% silicone material, CE,SGS approval;Various shapes, colors ... ;3>Thin or thick wall silicone tubing in various sizes;4>Material:Silicone rubber with standard characteristics or ... models can be customized according to requirement.Material:100% silicone Feature avirulent insipidity CertificateCE,SGS Shape square, round, ...