The Black Label brand is a fast as lightning resin and goo cleaning formula for any metal, glass, or ceramic smoking utensil. All you have to do is put it on and let the solution soak for a couple of minutes before washing out in warm water. In a matter of time, it will result in your piece looking freshly new and performing like the day you take it off the shelf. Our clients choose this product as their main pipe and glass cleaner. 12oz bottle.