technical parameter Product Name: Boxed Warning Belt (Reusable) Product Material: Polyester Fabric Surface color: yellow and white Font color: red Printed Text: Warning Line Main uses: Generally used in construction sites, dangerous areas and traffic accidents, emergency isolation. And the blocking of electric power detection, road administration and environmental protection projects. It can be used to delineate accident scene or special area of warning code. The guardrail belt is easy to use and will not pollute the site environment.