Suds Lab SC Synthetic Clay Mitt, Reusable Clay Bar Mitt, Car Detailing | Remove paint overspray, water spots, tree sap & rail dust from paint, glass & plastic Complete and Effective Cleaning: This Car Clay Mitt for Auto Detailing effectively removes paint overspray, water spots, tree sap, rail dust, and other contaminants from automotive paint, glass, moldings, and plastic, resulting in a scratch-free finish.