Auto-Chem and Aqua-Pro Professional Grade formulas are designed for ease of use and to be environmentally friendly for Consumers and the Trade. The Products are not watered down like the popular consumer brands, which means longer lasting, maximum protection and superior shine for your vehicle or watercraft. If you care about your car, boat, or recreational vehicle please try Auto-Chem or Aqua-Pro Professional Products. Excellent for removing bad odors inside cars, trucks, RV?s, boats, etc. Specially formulated to eliminate at the source all unpleasant odors from mildew, smoke, sweat, animals. Directions: Remove lid and separate contents from pail using a squeezing motion on the outside of the pail. Place contents on lid and leave in area overnight. Contents will melt as it freshens. Safe on hands.