When you need a marker whose ink will stand the test of time, this Marks-A-Lot chisel tip permanent Marker delivers. The permanent ink marks virtually any surface and resists rubbing, water and fading to deliver marks that last. The ink is low-odor, nontoxic and certified. The quick-drying formula minimizes accidental contact with damp ink. A durable chisel tip allows you to vary the width of your strokes for legible notes on small surfaces and broad strokes on high-visibility signs. With this marker, the convenience is as enduring as the ink. Quick-drying, nontoxic, waterproof ink conforms to ASTMD-4236. Generous ink supply.