This product boasts exceptional stretchability and a soft and comfortable texture. The head is designed to compress the internal air, creating powerful suction, and the interior features multiple flesh-like folds. It can be used directly on the skin and is made with safe Japanese domestic materials for your peace of mind. 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.