Vitrified Surface BrightnessHeavy-Duty Solid Core DesignSuper Aramith Phenolic ResinOptimal Rebound EffectHigh Impact ResistanceExceptional LongevityBurn Spot ResistantLengthens Cloth LifeThe Aramith Super Crystalate balls are made from advanced phenolic resin with Vitrotech technology that hardens and vitrifies the surface for durable brightness and longevity.Aramith balls are a money saving investment; they last 5 times longer than polyester balls; while their unique molecular structure creates less burn spots, dramatically lengthening your cloth life!The super crystalate material creates a more intense colour compared to all other balls on the market!Made of Aramith Phenolic Phenolic resinTo clean balls use Aramith Ball Cleaner.Looking to buy the balls set? Take a look at Aramith Super Crystalate Snooker Balls Set