These Toy Joy vibrating nipple teasers work as good as they look in the precious purple colour. These Titty Teaser nipple stimulating toys have a built in vacuum pump system to aid in building firmer and more erect nipples. Inside each cup are small soft nodules that stimulate the nipple for the ultimate in stimulation. The Titty Teasers set comes complete with batteries to get you started immediately. They measure 3 inches by 3 inches are light in weight and extremely comfortable.