4 Piece 4 Inch Coaster Diamond Plate set with soft base prevents watermarks on your trailer countertops, or tables created by drink glasses or cups. Available in three color choices including, Streaming Silver, Excella Blue or Ruby Red. Styled with diamond plate Aluminum tread and designed to last a lifetime. The Airboard inspired 4 Inch Coasters will compliment your trailer, home, or workshop with smooth tumbled edges. These coasters highlight your favorite drinks or liquid refreshments after a great day of traveling or camping. Made in USA and shipped directly to your door. Order the 4 Piece Coaster set of 4 for family, friends, or Airstream Trailer owners as a gift or add a set to your Airboard or Streamlight order.