The 1 selling brand of climbing chalk in America! The original chalk specifically formulated for rock climbing A safe drying agent is added to the highest quality magnesium carbonate for maximum sweat absorption and friction 2.5 oz 70 g, 4.5 oz.127 g, 9 oz. 255 g,and 15 oz. 425 g are packaged in re sealable, zippered plastic bags.
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