

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.
It Introduces Its New Hi-flow Nozzle Cap For Improved Chalk Flow On Permanent Staining Chalks. The Cap Allows For Quicker Chalk Fills And Less Clumping When Using Higher-density Permanent Staining Chalks.
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.
It Introduces Its New Hi-flow Nozzle Cap For Improved Chalk Flow On Permanent Staining Chalks. The Cap Allows For Quicker Chalk Fills And Less Clumping When Using Higher-density Permanent Staining Chalks.