This product is a set of 16 miniature 1.5" billiard pool balls. These balls are perfect for indoor games, specifically billiards. The set includes all the necessary balls for a game of pool, making it ideal for enthusiasts or players looking to practice their skills. With each ball measuring 1.5 inches in diameter, they are compact and easy to handle, making them convenient for smaller games or for those who prefer a more compact playing space.