Frank Lloyd Wright "Midway Mural" 4 Pack Assorted Coaster Set. Frank Lloyd Wright was one of the most renowned architects of the 20th century. He is often considered the pioneer of the Prairie School movement, which sought to create architecture that was in harmony with its natural surroundings. Coasters are printed with designs from Frank Lloyd Wright's Collections. Manufactured in the USA of absorbent stone to absorb excess condensation from beverages. Cork backing protects your surfaces from scratches and stains. Each Coaster measures 4.25” diameter and features a smooth edge. Beautiful artistic designs allow the Coaster to remain displayed even when not in use. This 4 pack Coaster Set makes a wonderful gift for family and friends at any time of the year.