Signs include a large red ?Danger? visual alert with a hazard message. The large sign gives a quick and easily understand indication of the potential hazard. Danger Signs (Red) indicate a hazardous situation which, if not avoided, will result in death or serious injury. Protect your workers by clearly displaying signs Signs feature Danger Lockout/Tagout Equipment Before Entering message Plastic is a 0.055? ? thick polyethylene plastic; good for medium-duty indoor and sheltered outdoor environments