Crafted in the small Belgium village of Callenelle, the 15 numbered billiard (or pool) balls plus cue ball in this set are made of pure phenolic resin. That means they're far more durable than balls made from polyester or other polymers, and is one of the reasons Aramith balls dominate the market worldwide. The hard vitrified phenolic surface of the precision-cast balls also reduces wear and burn spots on both balls and cloth.
