The Yummii Yummii Screw Cap for Thermos Bottle with Carabiner is a convenient and versatile accessory for your thermos bottle. The screw cap is made of high-quality stainless steel and comes with a carabiner, allowing easy attachment to a backpack or bag. It is waterproof and provides a reliable seal for your thermos bottle. Lightweight and easy to carry, suitable for all standard thermos bottles. A must-have accessory for anyone on the go. Enjoy your hot or cold beverages wherever you are!