The product is a vintage 1930's-1950's blown glass breast pump with a red rubber bulb, designed for nursing babies. This unique and collectible item showcases a piece of history related to science, medicine, and dentistry. The red rubber bulb would have been used to express milk from a nursing mother's breast, providing a means for infants to be fed in a method similar to modern day breast pumps. This item would be of interest to collectors or those looking for a vintage piece related to nursing practices.