Stone Reusable Clean spontaneous unaffected Reduce Tar Smoke Tobacco Filter Cigarette Holder Golden SAdopts physical filtering method, no harmful chemical substances. Effectively filter nicotine, tar and other harmful matters when you are smoking, without changing the original taste of cigarettes. Clean the filter after smoking of 5-10 cigarettes, pull out the holder and the mouthpiece in reverse direction and dip the internal filter into warm water. Filter Cigarette Tip makes smoking less damaging, holds a standard cigarette nicely. Protecting you and your family health. Material:Plastic,Metal.