This is a 18cm single-handled pot by Sori Yanagi, compatible with IH cooktops. =Manufacturer Information= Size: W35.1 x D21.8 x H11.7cm Capacity: 2L (full) Materials: Inner: 18-8 stainless steel, Core: Aluminum, Outer: 18-Nb stainless steel Compatible Heat Sources: Sheath heater, halogen heater, radiant heater, gas, enclosed heater, IH (200V compatible) Designer: Sori Yanagi Made in Japan I've used it for several years, but there's no noticeable damage, and it's still perfectly usable.