The Cyclop ZEUS TV pool ball set are the best pool balls on the market. This set uses 85% pure phenolic resin and is of the highest quality. Featured in many pro tournaments world wide, Cyclops balls are highly sought after by any player that wants the best. Cyclops balls are constructed of highly configured Phenolic resin allowing for durability while keeping their shine and color longer than standard pool balls. Cyclops balls are favored by most main pool associations worldwide including Asia, Europe and America.