A good set of cookie sheets is indispensable for any kitchen. These versatile rimmed ones let you create more than just cookies. Heavy-gauge Steel for Even Browning Nonstick Coating Inside and Out for Easy Release and Easy Cleanup Shallow Rims Add Versatility by Letting you Roast Bones for Stock or Bake a Thin Cake for a Jelly Roll Handles Make Them Easier to Remove from the Oven Oven Safe to 450F 3-piece set includes: 9x13 Cookie Sheet 10x15 Cookie Sheet 11x17 Cookie Sheet Steel. Dishwasher safe. Imported.