The Vintage American Thermos Brand Dome Top Lunch Box is a retro collectible made of metal, specifically aluminum, with a unique dome top design. Manufactured in the United States before 1970, this lunch box represents a piece of American nostalgia and history. The Thermos brand is well-known for its quality and durability, making this vintage lunch box a valuable addition to any collector's assortment. Perfect for those who appreciate classic American design and craftsmanship.