Power Gel® Clean has been USBC tested and is acceptable for use anytime. It is an incredibly effective ball cleaning gel. Power Gel® Clean utilizes powerful degreasing agents to remove marks, dirt, lane oil, and grime from the bowling ball surface. And, because it is a gel, it works harder and longer to restore ball performance. The low VOC Power Gel® Clean formulation is biodegradable and formulated with natural solvents, making it an environmentally responsible ball cleaning solution. Available in 16oz. squeeze bottle.