RockTec Technology Unique surface enhancement for 3 times better release performance than standard nonstick cookware Durability 3 times more durable nonstick surface that resists scratches and abrasions Even Cooking Extra thick forged aluminum base for optimal heat distribution Never Warps Guaranteed never to warp maintaining perfect shape over time Versatile Compatibility Suitable for use on gas electric ceramic and halogen stovetops Warranty Comes with a 3year warranty ensuring longlasting quality and satisfaction