Save your immaculate surfaces from condensation by keeping your drinks on these Cola Bottle Cap Coasters. Comes as a set of 4 plastic coasters shaped like Nuka-Cola caps. Perfect housewarming gift for a new settlement or vault. Each cola coaster has 3 rubber non-slip pads on the bottom to help it stay put. Approximately 4 1/4″ diameter x 1″ tall (each).