Chicago Metallic Silicone Pie Crust Protector, Red This flexible silicone ring is adjustable; adjust to any size pie 9 to 11-inch, including rimmed dishes Made of food-safe silicone; heat resistant up to 450-degree F Protects pie crust from burning and is a cost-saving alternative to tin foil One-piece design makes it easy to use; flexible material makes it easy to roll tight for storage Dishwasher safe, top rack only