DuPont Tychem 2000 QC122S Disposable Chemical Resistant Coverall with Elastic Cuff, Hood and Socks, Yellow, 7X-Large (Pack of 12) A lightweight, and durable fabric, DuPont Tychem QC utilizes the strength of DuPont Tyvek fabric and a polyethylene coating Tychem QC fabric provides at least 30 minutes of protection against 42 chemical challenges Tychem QC is used for light splash protection in a variety of industrial environments, including petroleum refining, pulp and paper manufacturing, food processing, chemical processing, and pharmaceutical manufacturing Multiple interlocking threads are sewn around the raw edges of garment material to create a strong, stress-resistance seam Attached hood with elastic around face opening