Each 2 oz (57g) bar breaks off into four scrumptious sections of our scientifically formulated recipe of Magnesium Carbonate and is guaranteed to feed your addiction. This the highest quailty block sports chalk (MgO) in the market.
Scoured into 4 blocks for ease of breaking. A Mad Rock innovation and exclusive to Mad Rock.
From production, chalk blocks are packed in a dry room with moisture proof wrapping to maintain optium dryness. and performance
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