The stainless steel coffee mug adopts double-layer vacuum insulation technology to ensure excellent thermal insulation, which can keep hot drinks warm for more than 6 hours and refrigerated for up to 24 hours.
This double wall vacuum sealed coffee mug is made of thick professional grade 304 stainless steel, the lid is made of BPA free plastic, durable and food safe.
The lid is sealed with a silicone ring, and the sealing effect is stable and reliable even when it is filled with hot water/ice water. You can put it in your car, bag and backpack without worrying about leaks.
