The interior design of PEACH TOYS "KAKU-MEIKI MIMIZU 550" airplane cup is based on the theme of tension and excitement! The folds of the lines are different, for example, the 4 large bumps tightened in a cross shape at the entrance provide strong stimulation, while the folds in the deep narrow area and the folds that are pulled through have different stimulation. Whether you want to feel creases intensely or delicately, it's all in your hands! "KAKU-MEIKI MIMIZU 550" airplane cup is the most suitable for you. 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.