Folding design for convenient storage or transport on Janitor Cart. Caution and closed warning messages imprinted in English, French and Spanish for effective communication to broad audiences. Narrow body and unique plastic arm allow non-obstructive placement in a variety of locations. Durable plastic construction will not rust, corrode or fade. Meets OSHA requirements. ANSI compliant multi-lingual graphics warn of nearby hazardous area. Flexible locking-style hanger makes sign stationary and visible from all directions. 25 in (63.5 cm) model for use in narrow areas.