Description:Material: Black WalnutCraft: Hand PolishedWeight: 335GRizing: As ShownCoaster: 6 PiecesNote:The purpose of using food grade varnish in the product is to prevent product deformation, frizz, and prolong the service life of the product, which is harmless. Feature:Material: Black walnut, hardwood. The surface has been polished. Protected by paintwork. Size: size 9cm holds the bottom of most cups perfectly. The thickness is 0.8cm. Unique: Each coaster has its own unique texture, which makes the coaster even more special. Especially, it gives this coaster more purpose and makes a great gift for housewarming, housekeeper, birthday, holiday and so on. (Tips: if you have a sturdy wooden table. Trust me, this queue will surprise you.)Easy to clean: just rinse and dry. Just like you wash your hands. Packing List:1 Set Walnut Coaster