This vintage thermos sippy lid is a unique and functional piece for your collection. The white and yellow design is eye-catching and will add a pop of color to your display. Made of durable plastic, this lid is perfect for those who want to reduce waste by reusing their thermos. The lid fits snugly on most thermoses, making it a versatile addition to your collection. Whether you're a collector or just looking for a functional lid, this sippy lid is a great find.