Add a little rhythm and shake to your sex life with this sensation-inducing PRETTY LOVE Heavy Balls Silicone Butt Plug. This weight will cause the balls to knock and shake, creating a unique sensation that once inserted will cause the wearer's muscles to contract and respond to the sensations.Waterproof.Material: Silicone.Dimensions:Overall Length - 4.05 inches.Bottom Bead Width - 1.02 inches...