Anti-Cellphone Tile Coaster Become a mobile cellphone free zone when you wear this bold anti-cellphone image. Anti-cell phone bumper stickers, mugs, prints and more tell people you don't want to listen to any cell phones. 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. | 
