400ml insulated travel coffee mug made from food-grade 304 stainless steel with double-wall vacuum insulation to help keep drinks hot or cold for extended periods. It features a leak-resistant screw lid with a flap opening and straw hole, a portable sling, a temperature display reminder, and a non-slip rubber base. Ideal for coffee, tea, and other hot or iced drinks at home, work, or while traveling. Capacity: 400ml. Color: Black.