Soft hypoallergenic elastomer material feels slippery and smooth while the tip of the toy has ribbing meant to stimulate the vagina. The center of the toy has spinning pleasure beads for even more stimulation. The butterfly's antennae tickle the clitoris while the butterfly's wings also vibrate. The shaft has rotation and also lights up and changes colors from green to blue to purple to red! Total length is 8.5 inches with an insertable length of 4.5 inches. Requires 4 AA batteries not included.