A nurser developed to promote the natural feeding of Esbilac®, KMR® or other liquids to animals. 4 oz Bottles and nipple specially designed for large babies. Bottle feeding allows animal to refuse formula when full. Nursing action develops facial muscles and stimulates the normal flow of saliva. Bottle: Durable enough to stand up to repeated use. Marked with graduations to make monitoring food intake easier and to help prevent over or under feeding. Nipples: Elongated and balloon styles for longer palates, wildlife and exotic species. Constructed of durable, flexible silicon that are readily acceptable and latex-free. Cleaning Brush: Cleaning brush sized for the bottle to make washing thorough and easy.