Frostone Rectangular Melamine Dish, 20 X 6" . Display the elegance without the heft. The Frostone Collection has the indistinguishable look of porcelain but is made of durable and break resistant melamine. Mix and match any of the large to medium size trays, bowls, and sauce dishes to make this line the perfect collection to jazz up any buffet or tabletop setting. The Frostone Collection by Tablecraft is dishwasher safe & safe for temperatures up to 212 F. Not recommended for microwave use.