b'CHALK Engineered for easily readable, temporary marks that are ideal for identification purposesRailroad ChalkWide, temporary marksLarge diameter chalk makes bold, wide temporary marks that are easy to read on virtually any surfaceWide, tapered shape is easy to hold, even with glovesLength: 10.2cmSold in a case of 576Case Quantity: 576 Surfaces:PART NO. DESCRIPTION80500 White 80505 Blue80501 Yellow 80506 Green80502 Red WARNING: This product can expose you to chemicals including Silicon Dioxide (CAS# 14808-60-7), which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.'