This one size fits most Vibrating Bikini Swimsuit has a sexy secret. Unlike an ordinary swimsuit this one comes with a powerful 2.25 inch long removable multispeed waterproof bullet which tucks into a discreet pocket in the bikini briefs. Enjoy this thrilling bikini and have serious fun in the sun whether you are in the garden, by a swimming pool, on the beach or in a Jacuzzi. The silent vibrations will make you want to climb into your bikini more often. Free batteries included.