This 10 oz/300 ml coffee mug is made with an inner 304 stainless steel liner and durable outer PP material. The vacuum-insulated structure helps maintain beverage temperature, while the non-slip base, fitted lid, and comfortable handle make it practical for daily use. It is suitable for coffee, tea, water, home kitchens, office desks, car use, travel, camping, picnics, and promotional drinkware gifts.