ok.... well, the only thing i know to say is they are like pads (kinda like smooth sanfd paper?) you put that on a rubber gripper piece. then you use it to rubb the hair off. I have heard they wrok great. I have listed before and ppl have commented on how well they work. on elady said her daughter wont shave anymore since she found thiese this is all shell use! there is a big gripper and sanders for lags and body, and small ones for your face.