Pro: It looks great, the vibrations are of good when compared to other toys in the market (but not strong enough for my taste), the size is fulfilling. Con: the base is not wide enough and almost slipped in completely it nearly caused me a very embarrassing trip to the hospital (I was saved by the wife’s slender fingers), hard to clean because of the irregular surface. What need to be changed? A wide base like other butt plugs for safety Add brush to clean the surface.