This 12 piece set is made of High quality stainless steel for extra durability. Included in this set are: a 10,12, 15, 20, 24 and 30 quart pot. For all your cooking needs, with this set you will get small medium and large stock pots. The thick triple layer encapsulated base provides perfectly even heat distribution. Each pot comes with it's own tempered glass lid (See-thru lid gives convenient monitoring of cookware). the two side handles and knob are made of heat resistant and durable black Bakelite, handles are riveted securely to the pot. All Neware pots are Dishwasher Safe.