Make enema play more enjoyable with the CleanStream Silicone Double Bulb Nozzle. Each bulb is controlled by its own pump, allowing you to vary the size of each as desired. Simply insert the first bulb into your anus and leave the second one out. Doing this will create a seal, ensuring that any fluid inserted (up to 3500ml) will remain inside until you wish to let it out. Get cleansed and a good fill with this great new enema piece! Measurements: , Entire Piece: Approximately 22 inches in total length. , End Bulb: Approximately 3.75 inches in length and 11.25 in circumference when pumped to max size. , Mid Bulb: Approximately 2 inches in length and 9.5 inches in circumference when pumped to max size. The larger bulb holds up to 750 CCs of air, the smaller up to 250. Materials: Silicone (Tubing), Chrome Plated Brass (Valves) and Latex (Pumps).