This short type is so you can enjoy the deep feeling. The quick short stroke makes it possible to poke the large protrusion set into the deepest point and stimulate the cup. Ultra-soft design that tangles and has special details and soft gel, so you can enjoy the pleasure of tangling with it. Give this opportunity a soft and deep feeling that is evolved by a bold renewal. About the Size: This product is designed to be about 1.4 inches (35 mm) shorter than the regular size cup series, but it is not a cup for those with smaller sizes. Even those who feel regular sized cups just right, this cup series is designed to provide ample enjoyment.