DuPont Tychem QC   Yellow Serged Seams Coverall with front zipper closure renders protection against 42 chemical challenges for at least 30 min. Coverall seams are sewn with multiple interlocking threads around the raw edges of garment material to build rugged stress resistant seam. Laydown collar coverall features elastic wrist and elastic ankle for a tight as well as a secure fit. Serged seams coverall offers immense protection against light splash which is perfect for pharmaceutical, petroleum refining, food processing, chemical processing, pulp and paper manufacturing.