Detial:<br />Material: Flexible glue, ABS<br />Color: Show as the picture<br />Cup Diameter: 3.8cm<br />Battery\/l: 4 AAA batteries (not included)<br /><br />Features:<br />1.The vibrating nipple pumps are designed to stimulate and get you bigger nipples, faster!<br />2.quick release pressure!<br />3.The mini vibrators have a twist on-off controller that slip inside the suction cups,<br />for increased nipple size and pleasure instantly and help you have a more erotic look and feel instantly!<br /><br /> Package Included:<br />1 * Breast vibrating Massger(not included batteries)