A wooden, circular cooking utensil with four holes inside for steam to pass through. Used on top of pots or griddles, etc., for steaming (details unknown). ★Instant purchase OK. Free, anonymous Mercari shipping. ★Please refrain from purchasing if you are nervous, as this is a used and old item. ★Please understand that this is a layman's inspection before purchasing. I apologize if I have overlooked anything else. ★Rulers and measuring tapes are not included. ★We plan to send it with simple packaging. (Please note that we will use recycled materials such as newspapers, paper bags, cardboard, and waste materials for packaging.)