CounterArt Meadowbrook Farm, Multi-Image Absorbent Stone Tumbled Tile Coasters with Protective Cork Backing, 4 Pack. Multi-Image, each Coaster has a different coordinating artistic design. Coaster measures 4” x 4” and they are square in shape Features a tumbled edge for a slightly rustic, yet classic appearance. Made in the USA of absorbent stone to absorb excess condensation from beverages. Cork backing protects your surfaces from scratches and stains. Size allows a larger glass or cup to be placed on them. Works great for entertaining, in the kitchen, dining area, patio, bar, study or enjoying your morning coffee by the bedroom nightstand. Beautiful artistic design allows the Coasters to remain displayed even when not in use.