The Silicone Ultimate Lasso Black Adjustable Ring is a soft and stretchy Silicone enhancer with added pleasure nubs. Intensely powerful, removable vibrator with easy push button operation. Fully adjustable lasso design for customization support. Waterproof for play in and out of the water. Safe and pure for body and pleasure. Silicone Ultimate Lasso is made using phthalate free materials Silicone enhancer ring, ABS plastic stimulator. 3 watch batteries required. 6 included. Enhancer ring is 5.25 inches by 2 inches , stimulator is 1.75 inches by .5 inch