This Tope set Consists of 3 Topes. Capacity and Diamensions in cm are Tope No.12 - 1.8Ltr - 20 x 20 x 9 Tope no 13 - 2.3 Ltr 21.25 x 21.25 x 9.6 Tope No. 14 - 2.9 Ltr - 23 x 23 x 10.2 Hard-anodized Cookware are non-toxic and are resistant to heat up to the melting point of aluminum which is 1 221 degree F (660.56 degree C). As such they can be used on most any indoor heat source including electric and gas ranges. Hard Anodized Cookware is aluminum cookware that has been put through an electrochemical bath that hardens the aluminum to the strength of stainless steel cookware and has a layer of oxidization. This light weight quality cookware are extremely durable resists scratches and is nonporous meaning it won't absorb smells from the food that has been cooked in it.