Seven-Eleven Lucky Bag Melamine plate, cold resistant to -90 degrees Celsius, heat resistant to 90 degrees Celsius - Brand: UMA - Material: Melamine - Cold resistance: -90 degrees Celsius - Heat resistance: 90 degrees Celsius - Target age: 15 years and older Thank you for viewing. This item was included in a Seven-Eleven lucky bag, and I am selling it because I don't use it. I took it out of the box, but the packaging is unopened, so I haven't checked it in detail.