- Temporary marking chalk
- Provides great visibility
- Easy to open flip-top cap
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.
Chalk for use on a variety of surfaces including wood, plasterboard, concrete, stone and metal.