The Japanese SOLVEMEN brand specializes in the development of masturbation products that solve men's troubles. This masturbation cup is designed to bring real touch, two-layer structure, mucous membrane design in the hole, super human muscle experience! WARNING: Keep the product away from children. DO NOT expose the product to humid places, direct UV or sunlight for an extended period. Product is a reuseable after wash. DO NOT use this product with more than one person. DO NOT place any object inside the cup for use. Safety Precautions: Always clean the product before and after use. We recommend using water-based lube with your toy.