3dRose Modern Geometric Black Red Grey Square Pattern Monogram Letter M - Soft Coasters, Set of 4 (CST_215230_1) 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