Sleek and tapered for smooth insertion. a free-roaming internal steel ball bounces and knocks with your body's motions for all-consuming stimulation. Designed for women and men to wear for out-of-bed activities to accentuate the effect of the pleasuring jiggle and boost arousal before playtime. T-bar base keeps plug safely in position. Includes a luxury storage bag. Measures 4.8 in. long. 4.25 in. insertable. 2.8 in. base diameter. 4.5 in. circumference.