A nurser developed to promote the natural feeding of Esbilac, KMR or other liquids to animals and Zoologic Doe Milk Replacer to fawns. Bottles and nipple specially designed for 4 oz. for larger animals . Bottle feeding allows animal to refuse formula when full. Nursing action develops facial muscles and stimulates the normal flow of saliva. Bottles: Durable enough to stand up to hard 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. 6 per counter display.