Tychem® 2000 Cleanroom Sleeved Apron Tychem 2000 Sleeved Apron [QC278B]Apron, coat style, Tychem 2000, bound seams, bound neck strap, long sleeve w/ elastic wrist, waist tie, 52" long, bulk packed, universal size, 12/case. Made with Tychem® 2000 material. Yellow. Calf-length (52") apron/gown design with attached ...