This vintage 1950's Ribben aluminum Thermaster cooler, made by Poloron, is a must-have for any collector of retro items. The cooler features a tray for easy storage and is perfect for picnics or outdoor events. This cooler was manufactured in the United States and is a great addition to any collection of vintage, retro, or mid-century collectibles. Handmade with attention to detail, this cooler is a true testament to the quality craftsmanship of the time. Don't miss out on the opportunity to own this piece of history.