The IRWIN STRAIT-LINE chalk range has a wide range of permanencies and colors. Whether working indoors or out, on finished surfaces or in extreme conditions, IRWIN STRAIT-LINE has the ideal chalk for every job. Dust-off chalk is temporary chalk that can be used to mark interior walls and trim and then be wiped away cleanly. Permanent staining chalk is great for extreme outdoor conditions because it can withstand harsh weather conditions and months of jobsite wear.Includes1X IRWIN Strait-Line Standard Marking Chalk, 5-Pound, Fluorescent OrangeFeatures Flip-Top Cap: Keeps chalk in the bottle and seals chalk in an airtight chamber, keeping out moisture and reducing the risk of clumping Low light conditions Corrective marking Weight: 5.342 lbs Length: 6.700 in Width: 4.400 in Height: 9.800 in Country of Origin: China Color: Fluorescent Orange