3dRose CST_213941_1 I Cant Keep Calm I'm a Teacher with a Crown 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