Made by Yoshikawa brand in Niigata Prefecture. A set of 5 stainless steel cooking bowls, silver. Set of 5 microwave-safe glass bowls. Sizes range from 9cm to 17cm in diameter. - Material: Stainless steel - Color: Silver - Brand: Yoshikawa I received these and have kept them stored at home in the box. They are new and unopened, but I opened them for the photos. They will be shipped in the original box they came in. Thank you for looking.