Intense colors. Teacher preferred. A+. Add excitement. Add emphasis. Add color! Use Expo colors to track, schedule and present. Product Information: For use on whiteboards, glass and most nonporous surfaces. Do no shake. Do not use on cloth. Recap when not in use. If left uncapped for an extended period of time, recap for 24 hours and markers should recover. Chisel Tip: Durable 3-way chisel tip allows you to mark broad, medium or fine lines. ACMI AP: Art & Creative Materials Institute certified. Conforms to ASTM D 4236 Nontoxic. www.expomarkers.com. Try the complete Dry Erase System from Expo. Expo Learning Boards: Double sided design allows for multiple uses like creative drawing and practicing handwriting. Replaceable Pad Eraser: Comfortable to hold and easy to use. Cleaning Wipes: Easy, convenient cleaning with a disposable wipe. Assembled in the USA.