Perfect for On-the-Go: Enjoy your coffee or favorite drink wherever you are, with a flask designed for convenience. Temperature Retention: Double wall construction keeps your drinks hot for 12 hours or cold for 24 hours. Dual-Function Lid: The lid doubles as a cup, making it perfect for enjoying your drinks on the go. Ergonomic Design: Features a silicone knob on the lid to prevent burns, ensuring safe and easy use.