Try all 10 functions at the click of a button and a separate on/off button when you're done playing. Whether you use John Curve traditionally or simply stroke the clitoris or nipples in circular motions, you're sure to find the pulsation and pressure that's right for you. Made from hygienic, non-porous silicone materials and ABS plastics. 100% Body Safe Material: Silicone Total length; 12cm Works with two batteries: 2 x AAA (included) 10 Vibration Modes Use it with a safe water based lubricant such as Waterfeel brand and clean it with neutral ph soap and warm water after use, to finish use the Waterfeel steriliser and it will be as good as new for the next use.