These artistically crafted nipple stimulators are secure, comfortable and easy to use. The butterflies are soft, pliable, and arouse any erogenous zone. Not only are they incredible adornments to your breasts, but the stimulators are perfect for clitoral stimulation too! Each arouser has a self-contained power pak and batteries are included for your convenience. Upstairs Downstairs Arousers™ are totally waterproof for fun in and out of water!