Vacuum Flask Set with 2 Cups for Hot and Cold Drink - Dark Blue

Our vacuum insulation technology keeps beverages cold for up to 12 hours and hot for up to 12, thanks to an advanced inner copper layer that reflects heat or cold. Leakproof and Durable: Our travel mugs come with a leak-resistant threaded cover and a secure seal to prevent accidental spills. The lid has a wide mouth for easy cleaning and adding ice cubes.