Stitched into the crotch- a little pocket waits for an included 20 function vibrating bullet to be slipped inside. Once in position, it's activated and otherwise controlled using a sleek remote. In velvety coated ABS plastic, the vibe set cleans easily using warm soapy water or a good toy care fluid/foam. Panties should be washed as a delicate in cold water. Compatible with all lubricant types. Vibe requires 3 LR44 cell batteries and the remote requires 2 AAA. Batteries are included. 

* Fits approximately US size 4-16 (30-42" waist)