Circulon Non-Stick Square Cake Pan: Heavy duty carbon steel cake pan Features wide handles Warp resistant rolled edges Total food release system and surface with raised circle PFOA-free, metal-utensil-safe premium quality non-stick reduces abrasion Offers balanced heat distribution Oven safe to 450 degrees Fahrenheit Hassle Free lifetime guarantee warranty Measurements: 9" SQ. " material="Carbon steel" origin="Thailand"