Please read the profile. Although unused, there are scratches and stains due to aging. Since it is an unused item, we have not checked it by inflating it with air. Everything in the picture is included. It will be handed over as is. We do not have expert knowledge, so we cannot answer questions. Please refrain from purchasing if you are nervous about this. Please consider the above points before purchasing. Size W x D x H: Actual size φ approx. 480mm, inner ring φ approx. 225mm Manufacturer (Country) TAKARA (Japan)