Use this pump to increase sensation in your clitoris, or even your nipples, enhancing pleasure Place the cylinder over your desired erogenous zone and squeeze the hand pump to draw blood into the area. You will feel suction as your clit increases temporarily in size and sensitivity. You can easily release the pressure in the cylinder by pressing the easy release valve on the bulb. You can also detach the industrial grade acrylic cylinder from the pump with an easy to use clip system, leaving your clit suctioned up in the cylinder. Savor the unique sensations of suction with this simple pumping system. Measurements: 12 inches in total length. Cylinder measures 3 inches in length, .6 inches internal diameter. Material: PVC, Acrylic. Color: Black.