This product is a set of four vintage Rubbermaid bright yellow ribbed stackable coffee cups, perfect for camping or outdoor activities. These mugs are designed for both hot and cold beverages, with a ribbed pattern for added durability. Made in the United States, these original coffee mugs stand at 5 inches tall and are lightweight at 113gms, making them easy to transport and store. The melamine style and stackable feature make them a practical and nostalgic addition to any collection.