For those who want to expand the potential for arousal from nipple stimulation, or for those who love constant attention on their nipples and areolas, these rotating silicone nipple suckers are for you! Each of the cups holds on via suction so they are hands-free! Once on, press the button and enjoy the premium, phthalate-free, silky smooth silicone as it rotates across and around your nipples! Comes with a set of two different attachments. One of the attachments has longer, thin nubs that go around the nipple and stimulate the sides of the nipple and the areola. The other set has shorter nubs that stimulate the top of the nipple directly. Rated as IPX5 waterproof, it is splashproof and can handle low pressure jets. Do not submerge under water. Use only with water-based lubricants. To recharge, use the USB charging cable provided.