1. The surface of the ball has a matte finish that does not reflect light, so it is gentle on the eyes and stress-free 2. Because it does not reflect light, the ballistic is clear than other balls 3. The high rebound core provides a good feel and a big flight at impact 4. Adopts a durable soft ionomer cover for soft feel and spin around the green Ball Number: 1, 3, 5, 7 Type: 2 piece Spin: little Rings: Soft Ballistic : High Ballistic Adaptive Head Speed: 35-45m/s Cover Material: Durable Soft Ionoma Cover Dimple : 312 Compression: 90 Set Contents: 3 Dozen Set Country of Origin: Taiwan