"Caution - Ice, Watch Your Step!" Folding Floor Sign By SmartSign | 25" x 12" Plastic DURABLE PLASTIC. Signs are injection molded and outlast lightweight or corrugated competitive folding signs. EASE OF USE. Signs have a handle cut out for easy carrying and storage. GREAT VISIBILITY. Signs are double-sided for optimum visibility and are ideal for marking temporary hazards or displaying vital messages in any facility, building, warehouse, etc. SAFETY AWARENESS. Alert everyone to exercise caution while taking some burden off your shoulders, regarding safety on your property.