Item Type:DotSpotCueBallMaterial: ResinSize: Approx.57.2mm/2.3inWeight: Approx. 171.0g/6.0oz .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; } 1Made of highquality resin material, unique impact resistance and wear resistance performance. 2Standard 57.2mm/2.3in dotspot billiard balls, convenient for carry and practice. 3The standard lines and dots for players easy to pot and control the ball, good practice choice. 4Resin material makes the cover smoothly, with professional roundness. high hardness. 5A good substitute for training and competition, help players improve their skills.