The insulated stainless steel mug from Texsport will keep your beverage hot or cold and at the same time help keep you from burning your lips or hands. The double wall construction keeps the heat and cold in. These mugs cost a little more than the plastic or enamel types, but they are well worth the investment. Double-wall construction provides insulation. 14 oz. capacity. Will not burn lips or hands. Lightweight and durable.