Features For Entry Instructions. Subject Matter / Lockout Tagout Sign Legend / Barricade Tag Do Not Remove Notify Contact Person For Entry Instructions Sign Header / Caution Sign Header Background Color / Yellow Shape / Rectangular Safety Tag Legend - Back Side / Barricade Tag Do Not Remove, Reason, Installed By, Date, Time, Hazard Description Sign Header -Back Side / Caution Sign Header Background Color - Back Side / Yellow Printed Language / English Serialization / Not Serialized Width / 3 1/4 in Height / 5 3/4 in Thickness / 0.01 in Mounting Hole Diameter / 3/8 in Tag Material / PVC Tag Color / Yellow Grommet Material / No Grommet Write on Surface / Yes Fastener Length / 6 in Safety Tag Package Style / Bag Number of Tags / 25 Indoor/Outdoor Usage / Indoor/Outdoor Moisture Resistant / Yes