With natural rough edges and an unfinished surface, these slate coaster rounds are a fun way to add personal style to your summer table. While fantastic for entertaining as is, embellish with chalk, engravings, paint and more to create stunning coasters to keep your table dry or use as a unique, stylish name plate at weddings and other celebrations.Details:Unfinished round4" (10.16 cm) coaster diameter4 coastersSlate and foam