... lasting eco-friendly;non-toxic; customed LOGO NameGlow in dark smoking pipe capMaterial100% high siliconeSizeAvailableColorvarious colorsSampleAvailablePackagestandard exporting ... -toxic, odorless, chemically stable, insoluble in any solvents and solutions, in addition to hydrofluoric acid (HF) and ... their own characteristics, it is because silicone in the manufacturing process can be controlled by the ...