Maintain a healthy bird population with the microbe-Lift Soy-based Bird House and Bird Feeder Cleaner. Birds soil their feeders, contaminating their own food supply and spreading germs. Regular cleaning and rinsing helps you prevent the spread of illnesses and removes organic debris. This cleaner works on vinyl, plastic, fiberglass or metal surfaces to decontaminate and deodorize. Created from soy beans and microemulsion technology, any reside from this cleaner will not harm birds or other animals. This spray will not scratch metal or plastic surfaces and may also be used to clean bird houses. Two sizes available in spray bottles, 8 ounces and 32 ounces. Price and information is on the 32 ounce bottle.