Vintage CorningWare 10" Classic White Cooker Range Roaster Dish M-10-GR-B is a square casserole dish made of glass and ceramic in Corning, NY. It is white with a glossy finish, featuring a flat bottom, lid, handle, and is oven and microwave safe. It is a licensed reproduction, weighing 5 lb 15 oz, and part of the Classic White product line.