These lovely coasters are made of an absorbent stone, which can absorb liquid from sweaty glasses, or even small spills! Coasters are corked on the bottom, measure 4, 25"" and are brand new, in box, ready for gift - giving, Artist: Frank Lloyd Wright, Dimensions:, Length: 4, 5, Height: 4, 5, Width: 1, 25 SKU: HNDS005