This light weight stainless steel and bamboo mug is perfect for keeping your favorite drinks warm! This last mug will be your forever mug by saving thousands of reuseable cups from the landfill. The bamboo exterior helps insulate your hands from the heat in and the lid stops from spilling any coffee. Safer for you to drink hot drinks out of with the all stainless steel liner. Did you notice your insulated mug probably has plastic in it it and can be leaching chemicals into your blood stream. An anti-slip surface is on the base of the cup. Pair with Jones coffee for a nice gift!