Sealey Worksafe® Automatic Fire Door Keep Clear Safety Sign, Rigid Plastic - Pack of 10 Features: Mandatory safety sign which is rigid plastic and measures 80 x 80mm. Automatic fire door keep clear. Technical Details: • Rigid Plastic. • 80 x 80mm. • Suitable for use in office, workshop and all other commercial and retail environments. • Pack of 10. • Model No. SS3P10 • Model No. SS3P10 Additional Information: • Rigid plastic. • 80 x 80mm. • Suitable for use in office, workshop and all other commercial and retail environments. • Pack of 10.