[See-Through Drop Lid M Size] Drop Lid Seller: Wahei Freiz (Tsubame City, Niigata Prefecture) Made in Japan Material: Polymethylpentene (Heat resistance: 180°C) Product size: Approximately 195 x 195 x 20mm Dishwasher safe I received this as a gift, but I'm not using it, so I'm selling it. I haven't used it at all, but please refrain from purchasing if you are overly concerned about minor details.