Personalize your balls with up to 3 lines of text, A maximum of 17 characters on each line. Stand out in the air and on the green with the Chromax Metallic Silver M5 Golf Balls. The M5 is a 2-piece construction golf ball with high playability. The M5 uses proprietary coating technology from Chromax for an extremely high reflection that conforms to USGA and R&A rules.