✳︎As shown in the last image, there are faint scuff marks on the coaster. A coffee dripper that can be used repeatedly without the need for paper filters. The far-infrared effect and micro-holes remove chlorine odor and impurities from the water, allowing you to enjoy mellow and easy-to-drink coffee. It can also be used as a water purifier. The back of the coaster has grooves to stabilize the mug and filter, preventing it from slipping off. Ceramics (Hizen Yoshida Ware) Manufacturer: 224porcelain We ask that those who understand home storage purchase this item. 1-2