The Vintage Uno-Vac Unbreakable Stainless Steel Thermos is a 40 oz. metal thermos made in the USA. With its durable stainless steel construction and retro design, this thermos is perfect for collectors or anyone looking for a reliable and long-lasting beverage container. The brand name, Uno-Vac, adds a touch of nostalgia to this classic piece of nostalgia from the 1970s. Made in the United States, this thermos showcases quality craftsmanship and a timeless design that will keep your drinks hot for hours.