Greige, Practical and stylish water bottle with a durable double wall. Vacuum-sealed to keep drinks hot or cold. This bottle keeps your drink warm for up to 6 hours, and cold for up to 15 hours. Enjoy your favourite cold beverage while you’re on the move, or take a warming cup of tea or coffee with you on your morning commute. It has a practical push button at the top so you don’t need to unscrew the lid.