Sensuva Ultra-Stimulating ON Insane is the most intense personal moisturizer on the market. When it is inserted vaginally, there is a relentless heat and then a feeling of circular movement inside the body. Women can feel it internally as well as externally when it comes in contact with the clitoris. This product can be used alone, or with a partner to take love making to a climatic burst. Advanced users of arousal products will fall absolutely in love with ON Insane. 4.2 oz.