Contractors and DIYers, this Keson glow orange marking chalk is some serious stuff! Coming in a generous 5-pound jug, this ultra-fine chalk creates bright, clear lines that are perfect for all kinds of layout work. The glow orange color is highly visible on most surfaces, making it easier to follow your marks even in challenging lighting conditions. I've used this for everything from framing layouts to concrete work to garden planning, and the consistency is always reliable. The fine texture means it flows smoothly through chalk lines without clogging, and the color payoff is excellent - you get crisp, defined lines every time. The 5-pound size is perfect if you do regular marking work - it lasts significantly longer than those small boxes and is more cost-effective in the long run. The glow orange really stands out against dark surfaces like soil or concrete, which is super helpful for maintaining accuracy in your work. The quality is exactly what you'd expect from Keson - a trusted brand in measurement and marking products. Whether you're a professional contractor marking out foundations or a homeowner laying out a new garden bed, this chalk delivers reliable performance job after job. Just make sure to store it in a dry place to prevent clumping. One of those basic supplies that seems simple but makes a real difference in the quality and efficiency of your work. If you're tired of weak, poorly visible chalk lines, this Keson option is definitely worth the upgrade - your layouts will be cleaner and more professional looking.