Quartet Low Odor Chisel Tip Dry-Erase Markers, Assorted Colors, 12 Markers per Pack (51-002693QA) Non-toxic, low odor dry-erase markers provide smooth writing; 12 assorted colors per pack DryGuard ink ensures markers will not dry out if left uncapped for up to two days; write thick or thin lines with versatile chisel tip Slim marker barrel for enhanced comfort and is perfect for presentations; conforms to ASTM D4236 safety standards