All- Clad 5 quarts copper core Sauté pan with lid. Brand new, still in box. Please see Amazon link below for details. Bought from Williams Sonoma. https://www.amazon.co.jp/8701003659-Home-Kitchen-Supplies/dp/B0017JWVUU/ref=mp_s_a_1_5?crid=2QE0GGDDHO40T&keywords=all+clad%E9%8A%85%E8%8A%AF5+qt&qid=1658586367&sprefix=all+clad+copper+core+5+qt%2Caps%2C175&sr=8-5