Lakeland ChemMax 4 TES Level B Taped Seam Encapsulated Suit with Expanded Back and Back Entry, Disposable, Elastic Cuff, 2X-Large, Yellow Disposable Level B totally encapsulating suit for protecting workers from hazardous materials in chemical manufacturing, hazardous waste cleanup, and pesticide application Polypropylene nonwoven fabric for lightweight strength, softness, and resistance to chemicals and moisture Multilayered barrier film laminate for reduced penetration of air, moisture, and water vapor Taped seams for blocking liquids and particulates Resists penetration of entire ASTM F1001 battery of test chemicals for more than 480 minutes