Law bowls spray chalk 1. Used by umpires and bowlers 2. white or purple ... chalk, dustless chalk, gym chalk, chalk pain, chalk1. Used for umpires and bowlers2. White or purple in color to ... choose3. Spray on bowls and easy to wipe off4. 8gm or 15gm ... , fast delivery and best servise to you!! Liquid chalk used on grass, side walk chalk, gym chalk, dustless chalk, ...