1. RESIN MATERIAL: The snooker balls are made of premium resin that will not fade, discolor, crack or chip under normal use, making them a great addition to any home game.2. PREMIUM PERFORMANCE: These snooker billiard balls set features roundness, full soft color and comfortable hitting feel, strong and sturdy to use.3. FINE WORKMANSHIP: The billiard balls are finely crafted, shiny and have excellent play characteristics, and the special material greatly reduces abrasions and burn spots on the ball and cloth.4. SUITABLE SCENARIO: These 52.5mm/2.1inch snooker balls are for use at home or at the bar console, ideal for practicing or playing match after match!5. IMPACT RESISTANCE: Billiard balls have excellent impact and scratch resistance, are perfectly balanced and provide the most consistent response to enhance your playing experience.Spec:Item Type: Snooker BallsMaterial: ResinDiameter: Approx. 5.25cm/2.1inpacking list:13 x Snooker BallsNote:Manual measurement please allow some error.