Mandatory Hearing Protection Floor Sign - Self AdhesiveThis blue ear protection symbol floor sign is a great way to indicate to staff that hearing protection is mandatory in the area. Sometimes staff can enter an area whilst it is quiet and forget that their ear protection must be worn. These floor signs should help prevent this scenario by reminding staff whenever they enter or are in the area. Slip Resistant Made from a slip resistant vinyl to prevent pedestrians slipping. Highly Durable All of the