Luminous ball Luminous ball which add a layer of luminous powder is very useful and convenient to pick up at stadium lights it is white and transparent when it is not light Material: Synthetic rubber sarin materials. Dimples: 392 Layers: Two piece Compression: 80% Weight: 45g Diameter: 42.8mm Rigidity: 75-90 Packing: 300PCS/CTN Carton size: 36*26*27cm MOQ: 5000PCS Delivery Time: About 7-15 days Color: Any color Logo: Can print your logo OEM 6 colors each logo OEM&ODM different brands and print more colors It is very useful and convenient to pick up at stadium lights. It is very funny to play glow in the dark golf balls. The luminous golf ball is the same as any other professional golf ball in the day time, but based on our unique luminous technology, it could glow continuously at night for 120-720 minutes over after absorbing the visible light for 12 hours. With this kind of golf ball, you could play freely whenever you have spare time. And best of all, you could enjoy the fun of playing golf ball at night rather than the crows and heat during the day.