100% Magnesium Carbonate - no additives Sold in a box of 8 2oz blocks

- 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 - Packaged in a re-sealable zippered plastic bag 15 oz = 425 g

- 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 - Refillable Chalk Sock for gym or indoor home use - Reduces dust Contains 1.1 oz. (31 g) of Super Chalk

- 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 - Packaged in a re-sealable zippered plastic bag 9 oz = 255 g

- 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 - Packaged in a re-sealable zippered plastic bag 4.5 oz = 127 g

- 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 - Packaged in a re-sealable zippered plastic bag 2.5 oz = 70 g