Please go to our store to find more products, more orders will get more super gifts (In order to protect our consumers' privacy, no details about product on package) Specification: Color: Transparent Size S/M/L/XL: Inner Diameter 1.8/2.8/3.9/5 CM 100% brand new and high quality User: Adult Waterproof: Yes Function: Nipple Sucker Properties: Erotic Toys it can use for man or woman full body Item Type: Adult Games Product Type: Breast Pump Feature1: Nipple Clamps Feature2: Nipple Sucker Material:ABS plastic Function: Looking to try something different? Enjoy the powerful suction of this twist style mini cylinder pump. enhance sensitivity to the nipples or the clitoral area for increased sexual wellness. Just apply to any area that would increased ensitivity and blood flow and twist the top to the desired suction pressure. Since this suction device works with a simple twist, is Silent, simple, and discreet, it can be taken and used practically anyway for on the go Include: 1 x Nipple Sucker Attention: Lube is recommended during use for smooth movement and a strong seal to maximize the powerful suction and for optimum comfort.all of the sucker have lubricating oil, it is not dirty how to operate : These simple and powerful nipple suckers are perfect for anyone looking for some consistent, strong suction. All you have to do is place the base of the sucker firmly against the nipple to create a seal, and then twist the easy-grip control cap to create immediate suction. Enjoy a light sucking sensation or twist the knob further to create a serious vacuum. Just turn the cap backward to return the internal plunger to its original position and release the suction when you are ready