Accuform, MPPE857VP, 7" x 10" Plastic Sign: "Wear Proper Cleanroom Clothing Before..." Informs workers to wear specific clothing required before entering designated room. Sign: "Wear Proper Cleanroom Clothing Before Entering This Room" Plastic (VP) Plastic combines standard, reliable performance with 92% recycled content to create a dependable, Earth-friendly material solution. Semi-flexible, impact-resistant plastic signs are ideal for standard-duty use for installation indoors and for protected, short-term outdoor applications. Get the look, feel and characteristics of non-recycled plastic signs in an environmentally friendly version.