Sure Safety manufactures Heavy Duty Polyester Tags. Sure Safety is an ISO 9001:2000 certified company. The Heavy Duty Polyester Tags are durable tags. They offer completely encapsulated graphics that withstand moisture, grease, chemicals and extreme temperatures. The Heavy Duty Polyester Tags accept pencil, pen and marker [pen and marker can be completely erased using isopropyl alcohol, allowing for repeated use!]. The heavy duty construction holds up to 80 lbs of pull force, preventing accidental removal. The 3/8 inch diameter heavy-duty brass grommet accepts most padlock shackles. The tag size is 5.5 [H] x 3 inch. The standard package of the tags includes 25 tags and nylon fasteners.