Black Label is one of the best selling cleaners in America. It's a lightning fast resin and goo cleaning solution for any metal, glass, or ceramic smoking utensil. Just apply Black Label to any piece, shake, and let it soak for a few minutes before rinsing out in warm water. Rather than wasting money on a new piece, Black Label will have pieces looking brand new! Lightning Fast on Resin & Goo Cleans Glass, Metal, and Ceramic Pieces