Unsurpassed heat distribution hard anodized aluminum core construction heats quickly and spreads heat evenly eliminates hot spots Premium nonstick interior reinforced nonstick cooking surface for healthier cooking lasting food release and easy cleaning Steady handling maintain a solid grip with the always cool always secure stick handles professionally riveted and contoured to your hand for extra comfort Convenient Tempered Glass Covers Sleek flat glass lids with stainless rims seal in moisture and flavor Glass is tempered for durability to ensure lasting performance Ultimate cooking versatility use on the stovetop in the oven or under the broiler oven safe up to 500degree f and freezer safe for easy food storage tapered rims keep pouring dripfree and easy