Proctor Silex 52028 Aluminum Nonstick 10 Piece Set, Red Durable and dependable the 2 coat non-stick coating makes for easy clean up All nonstick used on Proctor Silex cookware is laboratory tested for lasting performance Flared edge shells for added strength and pouring ease Silicone polyester exteriors with grooved bottoms for more even heat distribution Tempered glass lids with wide stainless steel rims lets you see what's cooking.