Features: Hidden-Message Design: At first glance this mug looks like a modern design, but upon closer inspection you can see that the design is made from the words FU-CK THIS SH-IT repeatedly. Upright the design is nearly impossible to read, but becomes apparent while taking a drink from the mug. Material: These mugs are made with sturdy ceramic so that your prints can stand out. have a sturdy handle, also suitable for microwave ovens. A Wonderful Mug For Daily Life: Keeps your drinks-fresh, flavorful and attractive! Our coffee mugs can be used for hot and cold beverages. The print quality on cup is perfect and long-lasting. Design: All mugs feature a comfortable C-handle and a shiny finish so that they are both easy to use and great to look at. Perfect Present for Coffee Lovers: Surprise your friends or family with this stylish and functional mug that's sure to become a favorite for years to come. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Material: Ceramics