The Nordic thermal mug has a vacuum insulated double wall that protects the temperature of the drink. Cold drinks maintain their temperature for up to 12 hours and hot drinks for up to 6 hours. Made of extremely durable Korean POSCO 18/8 stainless steel, which not only ensures durability, but also protects the product against aromas and flavors. It has a wide opening that makes it easy to clean the mug and also allows you to put ice inside.