Res Gel cleaner is engineered to give your glass the best clean on the market. Our natural, clay-based formula easily removes resin and tar from your glass bongs, rigs, bowls, stems, steamrollers, tools, grinders, jars, hands and even clothes. A single pack has a 240 ml capacity. Patented formula is free of abrasive salts and is low in VOC (Volatile Organic Compounds) making it safer on your glass and friendlier on your environment. Comes in our innovative Shake-a-Bag, resealable pouch, making cleaning your bowls, stems, chillums, and small accessories a breeze. These are all natural and safe to use on any glass piece. This natural, clay-based formula easily removes resin and tar from glass bongs, rigs, bowls, stems, tools, grinders, tools and even hands and clothes.