DURABLE QUALITY AND PREMIUM MATERIAL:6 Standard golf balls of constant light up for no less than 8 minutes, diameter 42.67mm weight: 45G,Three-layer golf balls are made of soft and elastic materials, which firmly protect the built-in LED light and make it hard to be damaged. It extends the life of the LED light(total life time is 50 hours) | 4 BUILT-IN LED LIGHTS: our glow golf balls are brighter and more dazzling than ordinary (2 LED lights) balls in market. When you hit the ball on the floor, the ball will light up instantly, and the sky will appear beautiful and dazzling arc. Even if the ball falls far away, the light of the 4 LED lights make it easy to be found. | DISTINGUISH BALL EASILY: the surface of the shiny blue ball is blue, the shiny green ball is green, and so on. This allows you to better distinguish each ball colour. You will not need to hit the ball to find the color you want. | HOW TO USE: The ball is original blue, green, and red before being hit. When the ball is hit hard on the floor, the 4 LED lights inside the golf ball will glow at the same time. The lighting time is around 8 minutes per time, which makes you have enough time to pick them up. After 8 mitutes , the light will be extinguished, hit again, and light up again. | AFTER-SALES SERVICE: If you have some issues with our product, you can feel free to contact us and we will solve it on time.It is a novel gift for adults or kids.