Lakeland Interceptor Fully Encapsulated Back Entry Level A Vapor Protective Suit, Disposable, 2X-Large, Blue, NFPA 1991 Certified Ultimate in chemical protection NFPA 1991 Certified, Level A back entry suit Certified to optional Flash Fire Protection for Excape Only requirements of NFPA 1991 Greater than 480 min hold out on all ASTM F1001 test battery chemicals 3 layer fabric consisting of proprietary barrier films, spunbond nonwoven substrate and inner barrier films, blue color