Teal Web. *IMPERFECT. Sometimes imperfections happen. Chips in the paint, cloudy or bubbles in the resin, etc. These are imperfect pieces but still need a good home. Ceramic tile coaster set of 4. 4.25 x 4.25 (inch) Colors: Teal, black, turquoise. Backed with cork backing to protect surfaces. Resin sealed for added protection against hot and cold cups, mugs, glasses.