Small but mighty! Made of Japanese-made "soft crystal" material, the unique texture is super stimulating. The transparent material presents your bloodshot penis perfectly, which is a great visual enjoyment! 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.