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.
For use on a variety of surfaces including wood, drywall, concrete, stone and metal
High visibility chalk for self chalking line reels
Economy size for volume users
Orange
5 lb. weight, not volume, plastic jugs