FLOOR SIGNS FACILITY FLOOR SIGNS DO NOT ENTER RESTROOM CLOSED FOR CLEANING/ WORK IN PROGRESS THIS CONVENIENT SIGN HAS TWO MESSAGES PRINTED ON IT ONE ON THE INSIDE OF THE PLASTIC BASE AND ONE ON THE OUTSIDE. MADE OF LIGHTWEIGHT 4 MIL CORRUGATED POLYETHYLENE THIS SIGN IS COMPLETELY WATER PROOF. WHEN NOT IN USE SIMPLY FOLD UP AND STORE AWAY TO SAVE SPACE.