Economy Polyester (B-851) accident prevention tags are perfect for marking on-the-spot warnings of dangerous conditions. B-851 Rigid Economy Polyester with brass grommets, exceeds OSHA's 50 lb pull force requirement for Tagout devices. Textured write-on surface allows for authorized signatures, dates and other special instructions. Tags have a larger hole without a grommet to accommodate padlocks. Withstands moisture, grease and dirt.