Triangle Pool Table: Materials, sturdy, and for long-term use. Billiard Rack: Perfect for your home pool table, community center, game room or pool club. Pool Ball Holder - A small loose design makes it easier to remove the rack once the balls are set. Triangular frame: In addition, it helps you organize your billiards well when not in use. Billiard frame: It has a sturdy structure and not easy to damage, and functional.