Irwin® Strait-Line® marking chalks have an innovative flip-top cap that keeps the chalk in the bottle where you want it. The flip-top cap seals the chalk in an airtight chamber, keeping out moisture and reducing the risk of clumping.
Irwin®, 64901, Marking Chalk, Standard, Blue, 8 oz Capacity, Bottle Package Type, Odorless Odor/Scent, 80 to 85% Calcium Carbonate, 15 to 20% Ultramarine Blue and 0.1 to 1% Silica
Interior and Exterior Applications
| Material | : | 80 to 85% Calcium Carbonate, 15 to 20% Ultramarine Blue and 0.1 to 1% Silica |
| Odor/Scent | : | Odorless |
| Type | : | Standard |
| Color | : | Blue |
| Capacity | : | 8 oz |
| Package Type | : | Bottle |