Features: Complete Set of 16 billiard balls, standard size 2.25" in diameter and regulation weight 6.3 oz. Made from environmentally friendly polyester resin, resistant to impact and scratches. Perfect roundness and uniform hardness for all skill levels and various pool site. Suitable for game rooms, bars, sports leisure games and leisure sports. With great color saturation and glossiness, prevent visual fatigue. Wonderful accessory for billiard sport. Specifications: Material: Resin Size: M / L (Optional) M Diameter: 52.5 mm / 2.1 in Unit Weight: 134 g / 4.7 oz Packing size: 22.5 * 22.5 * 5.6 cm / 8.9 * 8.9 * 2.2 in Packing weight: 2375 g / 5.2 lb L Diameter: 57.2 mm / 2.3 in Unit Weight: 180 g / 6.3 oz Packing size: 24.2 * 24.2 * 6.5 cm / 9.5 * 9.5 * 2.6 in Packing weight: 3087 g / 6.8 lb Package List: 16 * Billiard Balls Note: The triangle and cue is not including as pictures