Simply Calphalon Nonstick Panini Pan Ridged bottom brings the pleasures of outdoor grilling indoors. Cleanup is fast and simple with the nonstick interior. Material: Medium gauge, hard-anodized aluminum exterior with double-coated nonstick interior Oven Safe to 450 degrees Handle: Silicone grip With authentic grill marks, steaks, chops and burgers look as great as they taste.