Caution - Microwave Oven In Use

High quality OSHA Caution signs are used to indicate that an immediate hazard exists which could result in minor or moderate injury. OSHA Caution signs are available from .040 Aluminum, .020 Plastic or as a printed vinyl decal. Aluminum is most suitable for indoor and outdoor use, while plastic is most suitable for indoor use. Printed vinyl decals can be adhered to any smooth surface.