BESTEK double wall stainless steel mug thermal insulated vacuum tumbler (500ml w/ hand handle - black)
The Bestek travel tumbler measures 2.55 inch diameter round by 9.44 inch tall, Vacuum Insulated Backpack Bottle is an ideal choice to keep your favorite beverage close at hand.The light and compact design makes for easy transport and storage and it comes with features to make for a more enjoyable drinking experience.Leak-Proof and Worry-FreeThe BESTEK Insulated Backpack Bottle comes equipped with a locking lid which operates simply with the push of a button.And because of the double wall insulation, the stainless steel body stays cool to the touch with hot beverages and condensation-free with cold beverages.The flip lid is designed to open with a single hand. The flip lid is tightly fitted for excellent heat retention and features a safety lock to prevent accidental opening. These mugs have a stainless steel interior with Slick Steel finish.How does it keep beverages hot or cold?With vacuum insulation technology, air between the two thin layers of stainless steel on the outer container is removed, creating a vacuum.Because there is no air, the temperature on the outside does not transfer into the container; keeping your beverage hot or cold for hours.