Kupilka, a Finnish outdoor tableware brand, has collaborated with Moomin, a representative character of Finland. The Kupilka 21 cup, made from environmentally friendly materials, is a convenient coffee cup size. The unique material, a mixture of wood fiber and polypropylene, is heat-resistant, durable, and easy to clean. Material: Original material mixed with wood fiber and polypropylene Weight: 83g Capacity: 210mL Heat resistance: -30°C to 100°C *The color of the wood fiber may transfer if you leave a drink in the container, but it is not harmful to your health.