This is the largest enema bulb we have ever seen. Made by Klystra this enema bulb holds 26 ounces (750ml). It comes in red rubber and is indeed the largest bulb syringe on the market. This enema bulb is flexible red rubber from tip to stern. Made from one piece is can be difficult to fill and to clean but if you are looking for the largest bulb syringe on the market, this is the enema bulb that you want. You can click on the smaller image to see how large this bulb is when compared to one of the 8 ounce bulbs that we sell.