PRINZING OSHA Danger Signs are an essential part of your safety compliance program. All signs conform to OSHA color coding. Signs resist rust, weathering, tearing, fading, denting, chipping, flaking, temperature, chemicals, scratching, electrical conductivity, magnetism, and radiation. Plastic signs are .055" thick with a silk-screened surface message. Durable Self-Stick Vinyl signs peel and stick for instant installation and may be used on smooth surfaces, indoors or out. Made in USA.