3dRose River Rock Pebbles with Shades of Different Gray - Stone, Nature, Pattern, Round, Zen, Abstract - Soft Coasters, Set of 8 (CST_157569_2) Dimensions (in inches): 3.5 H x 3.5 W x 1/4 D Comes in a set of 8 - same image on all coasters Washable - to prevent image from fading clean with mild detergent using cool water Absorbs moisture Made of recycled rubber