This incredible acrylic cylinder will plunge, puff, and pull your cunt into the perfect donut.The Rosebud Pump Cylinder consists of a cylinder with a probe running down the center that extends outside the cylinder. Lube up the probe, slide it into your hole until the end of the cylinder presses against your skin, and then pump away. This unique oval shape allows it to fit better against your body giving you a better seal than other shapes.Probe Total Length: 8"Probe Circumference: 3.25"Cylinder Circumference: 9.25" Compatible with water-based lube only. Wash with warm water and dish soap. Air dry. Requires the Hand Cylinder Pump If you're a beginner to pumping or aren't sure which style pump you need, read up our Pump It Up Blog For even more answers, read up on L.A. Pump's comprehensive FAQ.