This kind of ball needs to swing or hit hard on the ground to light up. It will light up for about 5-8 minutes, and will automatically go out after 5-8 minutes. The cumulative illuminating time is more than 48 hours.
 
Double Layers: The glow golf balls has 2 layers, it's of good elasticity and durability. The dents on the surface can reduce resistance in the air to improve accuracy of striking.
 
These hit like real golf balls because they are real balls and have inbuilt LEDs. They are softer therefore hit like real balls. They will not cut out when hit too hard.
 
The glow golf balls are made of elastic rubber inner and sarin outer, easy to play and can be used for a long time. 
 
A very beautiful landscape in the golf park, bright golf ball add more fun and easy to find in the dark with bright colors
 
Specification:
Hardness: 80 - 90
Material: Inner synthetic rubber, outer sarin material
Diameter :4.3cm/1.68 inch