Thanks to Its Efficient Vacuum Isolation, Miles Thermos Bottle Will Keep Your Drink Icy Cold for Up to 18 Hours & Steamy Hot for Up to 6 Hours. the Isolation Also Takes Care of the Condensation & Ensures That the Liquids Don’T End Up on the Bottom of Your Bag. the Bottle is Made of 18 & 8 Stainless Steel Metal, Therefore Your Drink Don’T Acquire the Taste or the Smell of the Bottle’S Previous Contents. the Material is Fully Toxin-Free & is Sturdy Enough to Survive a Life-Long Use. Switch From the Plastic Toxic Bottles to This Ecological Option - You Will Enjoy Your Drink in a Completely New Way & Will Save the Environment Too! 500Ml. Minimum Quantities Apply.