Glovion Heat Sensitive Color Changing Lover Coffee Cup Morning Mug-say Love to Your Lovers (With One Milk Spoon+ Gift Bag) (Pattern 2) Growing Old with Your Lover - Spending a Lifetime Loving You-Say love cup. The coffee mug can make you happy, give you an amazing surprise and express how much you love Material : China Ceramics. For coffee,milk,tea and hot chocolate,share with your family and your lover This is a mug about temperature and love. Slowly add hot water/hot milk/coffee to the mug, you will see a pair of lovers' life from young to old. Spending a lifetime loving you. Growing old with your lover is the most romantic thing in our life. With a Gift Bag! ,A Best Lover /Birthday Gifts to say love for your lover When cold: a sweet young couple are waking with umbrellas and rose; when you put hot water which temperature is above 60,you can see the color is changing, they are growing old, but stand together through storm and stress