Mrs. Anderson's Silicone Adjustable Pie Crust Shield allows pies to rise, reduces spillage, and prevents pie crusts from burning or over browning Made from 100-percent silicone; FDA-approved and BPA free; heat-resistant (to 500-degrees Fahrenheit); strong and flexible Adjust and customize to each pie crust, up to 10-inches; great for frozen and homemade pies and blind baking; fits baking dishes with fluted edges Naturally non-stick for quick release and easy cleanup; easy to use and stays in place; more convenient and economical than wadding up aluminum foil Works great on baking pans and pie dishes with fluted edges and carry handles; safe for use in freezer, oven, microwave and dishwasher