LIWUYOU Custom Mug Cup Printing with Picture Text Photo Personalized Black Ceramic Discoloration 11oz Cup Mug When High Temperature with Lip and Spoon This coffee mug cup's color can be changing.After add hot water(more than 40 degrees celsius temperature),cup will slowly to display the custom images.Surprise! This mug can custom your photo and have two pattern to choose:Red Love & Green Girl. or you can also don't use our pattern. You can customize Photo and Picture LOGO or Text . It's totally up to you. Just make it be a image and send us the images, and we will do the best. Please send all of your pictures to us through Amazon Custom system. High resolution image is recommended,at least 500kb, clear bright colors, the photo's size better be 200*83mm.it's a rectangular to around the entire cup. Came with a cute lid and spoon, but all of its color and style is random.