This is a quality and durable utensils set. The set is made up of an alloy of aluminum and iron with double non-stick coating. This cookware comes with 5 sauce pans, and 5 alloy coating lids. Durable and doesn't wear off easily.The choice of material for this cookware items has a significant effect on the item's performance (and cost), particularly in terms of thermal Conductivity and how much food sticks to the item when in use. The lid has a dripping edge that avoids condensation fluid from dripping off when handling the lid (taking it off and holding it 45°) or putting it down. The aluminium provides the highest thermal conductivity among non-noble metals and is therefore fast Heating with unparalleled heat distribution.