One dozen pumps per box. The least expensive measuring dispenser you can buy. Fits standard one gallon jugs (glass or plastic.) One full push of pump delivers one ounce. The length of the straw inside the jar is approx. 11", and can be shortened if needed. Made entirely of plastic with stainless check. 1oz. pumps. Works great with any of our ready to use flavor gallons. Only $4.75 per pump, including all delivery charges!