Start your day with a touch of cosmic inspiration with this heat-changing Galaxy Magic Mug. As you pour your hot beverage into the mug, watch the solid-colored background magically transform into a breathtaking solar system design. Made from high-quality glazed ceramic, this eco-friendly mug is non-toxic and completely food-safe, making it a perfect addition to your morning routine. Why You'll Love It Perfect office and home coffee sessions: This is an ideal galaxy mug for an avid coffee connoisseur and will be perfect for home or office. You can pour hot water, tea, coffee, milk, or any warm liquid in it. Easy to wash: This galaxy coffee mug is durable and easy to clean. It is recommended that this cup be washed by hand, as it's not suitable for dishwasher or microwave use. Hand washing will assure a longer use life! Temperature-sensitive unique design: To enjoy the magic, and watch as the galaxy comes blazing to life, right before your eyes, the temperature of the hot liquid you pour into the coffee cup should be over 45 degrees Celsius/ 113 degrees Fahrenheit. Ideal gift choice for astronomy lovers: The magic coffee mug would make a perfect gift for the stargazer or astronomy enthusiast in your life. Features Material: Ceramic Galaxy coffee mugs Cool solar system shows up when hot beverage is poured Non-toxic Easy to clean galaxy mugs Capacity: 330 ml. approx. Temperature should be over 45°C/113°F for effect to occur