Stainless steel cooking surfaces does not discolor, react with food or alter flavors. Measurement markings for ease of use, drip free pouring, and flavor lock lid ◆Non-stick material, high temperature resistant paint. ◆Simple design: easy to use, 4 recessed holes for easy omelet. ◆Universial: Usually used in the kitchen; with hooks for easy hanging. ◆This is a non-stick omelet pan; safe material, non-stick pan, 4 holes.