CAUTION workplace safety tags form a critical part of your safety program. These tags are made from a durable All-Weather Duraply® material that can be easily written on with pen, pencil and markers. Weather-proof material withstands both indoor and outdoor applications. Tags are 3.375" X 5.75" with 3/8" hole, and sold in packs of 25/pkg. Tags are available standard format with a 3/8" plain hole (PT) or with a 3/8" metal grommet (RP) for added durability.