Acura ceramics are fired at a high temperature of 1200 degrees. The water droplets that can be sucked out of the cup are about 15cc. After natural evaporation or washing and drying, they can be reused. If the water absorption is not good, please clean the surface and dry it. continue to use. Material: Acura ceramic + bottom EVA foam slip Size: Round 11 x 11 cm The boss, I have three gift boxes (will help you with the texture of the carton, to help you pack beautiful) https://c1.staticflickr.com/1/892/42061503814_1b6ecdb8cb_c.jpg https://c1.staticflickr.com/1/888/42779319251_d78a2105b9_c.jpg https://c2.staticflickr.com/2/1722/28905033228_61ec6ae369_c.jpg https://c2.staticflickr.com/2/1725/28905032718_76c338ba49_c.jpg https://c2.staticflickr.com/2/1735/41878282365_a49d9f20d0_c.jpg https://j.gifs.com/7LPW4w.gif How to use and maintain the coaster When cleaning the surface of the water-absorbing coaster, do not use the melon cloth to force the surface of the ceramic water-absorbing coaster. This will wear the surface of the ink. Please use a toothbrush to apply toothpaste. Gently brush back and forth, rinse with water, or soak the baking soda for 1 to 2 hours, then rinse off with water. When using a ceramic water-absorbing coaster, the earlier the dirt is cleaned, the better the effect. Do not let the dirty or colored liquid seep into the coaster before cleaning.