Personalize your balls with up to 3 lines of text, A maximum of 17 characters on each line. Stand out on the course with the Chromax Metallic Mixed Color M5 Golf Balls. The M5 is a 2-piece golf ball that is accessible to a wide range of golfers. The unique coating technology from Chromax creates a specialized metallic finish for a high-reflection that conforms to USGA rules.