CounterArt Absorbent Stoneware Car Coaster, Serenity Seashells, Set of 2 CounterArt cup holder coaster with decorative transfer print Standard size is designed to fit cup holders in most cars, vans, boats, SUVs and trucks Durable stoneware construction allows for continuous absorption of condensation Design incorporates a convenient finger slot on the side for easy removal Makes a great gift, stocking stuffer or party favor