3dRose CST_19401_1 Breakwall Reaching Into The Waters Lake Superior in Michigans Upper Peninsula-Soft Coasters, Set of 4 Dimensions (in inches): 3.5 H x 3.5 W x 1/4 d Comes in a set of 4 - same image on all coasters Washable - to prevent image from fading clean with mild detergent using cool water Absorbs moisture Made of recycled rubber