Celtic Watercolor Tile Coaster Celtic Watercolor Knotwork is a square, symmetrical, somewhat abstract design - hand-drawn, and then painted in blue, purple, and green watercolors for a colorfully organic look. (artoffoxvox.com) Product InformationLiven up any room or party with our fun, hip tile coasters, measuring 4.25" x 4.25" and 1/6-inch thick. Images are applied with a polyester resin that accepts dye as part of the coating. Four felt pads protect your furniture from scratches. Dishwasher safe. Not for use with abrasive cups and mugs. | 
