Calphalon Commercial Hard-Anodized Nonstick Cookware, Flat-Bottom Wok, 12-inch Sear Nonstick to evenly sear, brown, and saut foods Signature Sear Nonstick interior is PFOA-free and designed to perform as effectively as stainless steel Crafted from heavy-gauge hard-anodized aluminum for lasting durability Metal utensil safe to cook with metal spatulas, spoons, and whisks Tempered glass cover is oven safe for finishing recipes or keeping foods warm