<http://schema.org/description>
"These decals meet OSHA Safety Regulations on Confined Space requiring Employers to post Appropriate Danger Signs. Decals are printed on 3 mil outdoor vinyl with a self-adhesive backing."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.allstatesign.com/life-line-required-for-entry-decal.html>