The Thermos Brand "Hercules" Rugged Floating 1 Liter Bottle with Stopper is a durable and reliable lunchbox companion. Made from hard plastic in a stylish charcoal/green color, this United States-made thermos is perfect for keeping your drinks hot or cold while on the go. The unique floating design adds an extra touch of ruggedness to this classic thermos, making it a practical and stylish choice for collectors and everyday use.