Soft and stretchy Silicone enhancer with added pleasure waves. Intensely powerful, removable stimulator with easy push-button operation. MATERIALS: Silicone (enhancer) ABS (stimulator). 3 Watch Batteries Required (6 Included). Measurements: 2″ x 2″/5 cm x 5 cm (enhancer), 1.75″ x .5″/4.5 cm x 1.25 cm (stimulator). From Cal Ex.