The smile face of Paopao on the coaster is not only to absorb the water, but also makes you feel happy everyday. The face side of the coaster is the ceramic material from Yingge Dist., in New Taipei City, where is famous for the production of porcelian and a lot of art studios and shops. The back side is non-slip EVA sponge. The coaster is made under high temperature in the kiln. The color won’t be faded. It’s very good at absorbing the water drops and keeps the table clean and dry. It can be reused. ♥ Dimension : 11cm round circle ♥ Material : Yingge ceramic, non-slip EVA sponge Origin/Production Designed and made in Taiwan Other coasters : https://www.pinkoi.com/store/doradesign?subcategory=1311 How to do the maintenance : 1. The coaster is made under high temperature about 1200°C, the absorb effect is good (approx. 15cc). The water is usually disappeared naturally or dried after cleaning. 2. It can be reused. It takes 3-5 days to dry the coaster depends on different environment. 3. If the absorb effect isn’t as good as expected, wash the surface and dry it completely. Remark : 1. The colors may vary between different devices and screens. The actual colors are basic on the merchandise. Please purchase before thinking carefully.