The Breast Stimulator . Hands free stimulation. Enjoy the stimulation from a myriad of tiny silicone ticklers vibrating with perfect pressure with these vibrating textured stimulator cups. Made with incredibly soft and smooth silicone that is hygienically superior and safe. These cups fit snugly over the nipple for hands-free and wireless excitement to both breasts and nipples. Made using phthalate free, non-toxic materials Silicone. Silicone high quality, hygienic man made polymer that is non-porous, durable, soft, flexible, pliable as well as versatile in its application in the sex toy production. Silicone is safe, pure phthalate free. Water based personal lubricant is recommended. Micro batteries included. Femme by Nasstoys of New York. Toys designed by women for women.