Warning Signs Home » Janitorial Supplies » Warning Signs PopSign with Holster Tri-lingual "Caution" Tall Cone "Clean in Progress" 27069 RESTROOMS CLOSED LS-28968 RESTROOMS BEING CLEANED SIGN 28999 CAUTION WET FLOOR 29998 DANGER - PEOPLE WORKING ABOVE 1203 "Caution Wet Floor " Sign