Need something reliable for marking up various surfaces? These Staonal marking crayons are the real deal! Sold in boxes of 8 bright red crayons, they're perfect for industrial use or any situation where you need permanent, waterproof markings. They work on pretty much everything - cardboard, paper, wood, aluminum, even Plexiglas! The markings won't fade or wash away, which makes them super handy for labeling boxes in storage, marking measurements on woodworking projects, or any situation where you need your marks to last. They're durable enough to handle tough conditions but still easy to use like regular crayons. Each crayon gives you a nice bold red line that's easy to see against most surfaces. Whether you're in construction, manufacturing, shipping, or just need reliable markers for your workshop, these crayons won't let you down. They're the kind of simple, effective tool that you'll find yourself reaching for again and again once you have them around. No complicated instructions or special skills required - just grab and mark! Definitely one of those 'why didn't I get these sooner?' products.