Vacuum Insulation: Travel tumbler with double wall vacuum insulation can keep your beverages hot for 6+ hours and cold for 12+ hours and also protect your hands from cold or hot beverages. Perfect for the office, road trips, picnics and so on.
Durable and BPA-FREE: The insulated tumbler is made of high quality 18/8 food grade stainless steel, rustproof, BPA-FREE, durable and easy to clean.