This shimmering patent leather thong is stretchy, comfortable, one size fits most and is operated on a 3 AAA battery pack. All batteries are included in the packaging. There is a discreet pocket for the bullet that provides quiet but powerful clitoral and vaginal stimulation. The easy touch 3 speed remote control has settings for low, medium and high vibrations. The control is pocket size at 3¼” X 1½”.