Aramith Premier balls: the perfect compromise between quality and price. Made of Aramith Premier: Aramith phenolic resin with far better resistance longevity than polyester and other phenolic sets. High quality standards for 8 criteria : density, balance, diameter, roundness, color, glossiness, hardness, weight. Made in Belgium.Features:Number 4 replacement ballMade of Aramith Premier: Aramith phenolic resin with far better resistance longevity than polyester and other phenolic setsHigh quality standards for 8 criteria : density, balance, diameter, roundness, color, glossiness, hardness, weightEach ball is packed securelyMade in BelgiumDetails:Ball type: 2.25 in. Pool/BilliardsMaterial: Phenolic ResinYes