Made of high quality, skin-friendly material with a smooth and silky surface, designed with 4 stimulating balls of different diameters, sphincter dilating and relaxing device. The suction cup can be fixed to a flat surface. Unisex, recommended for both men and women. Cleaning : before and after each use, wash with lukewarm soapy water and a utensil wipe. A water-based lubricant is recommended.