This baking tool improves every pie you bake, takes seconds to use, and can last a lifetime. Just place pie crust shield on a fresh or frozen pie, then bake. Ring stops crust from cooking too fast, gives a beautiful golden piecrust every time. Dishwasher safe, or just rinse - crust won't stick. Small fits pies 7 1/2" - 9" in diameter. Standard fits pies 8 1/2" - 10 1/4" in diameter.