Product Details Global Product Type Tradesman's Chalk Number of Colors 1 Color(s) White Length 4" Diameter 1" Product Biodegradability in Days 0 Compliance Standards Conforms to Federal Hazard Communication Standard 29 CFR 1910.1200 Pre-Consumer Recycled Content Percent 0% Post-Consumer Recycled Content Percent 0% Total Recycled Content Percent 0%