A humane way to stop dogs and cats from damaging furniture, digging up flower beds and leaving unwanted droppings in key areas. Messinas Dog and Cat Stopper is a humane way to stop garden damage from cats and dogs as it works by smell, taste and feel. Made from food grade ingredients, this product can be used around pets and last approximately 30 days per application, regardless of weather or watering. Messines Dog and Cat Stopper dries clear and odor free and can be applied indoors or out.