Cleanroom Disposable Coverall Cleanroom Disposable Coverall with zipper front, lay down collar, open wrists and ankles. This Cleanroom Coverall has serged seams and is Bulk Packed 25 Units per Case This Disposable Coverall is compatible with cleanrooms of a Class 1000 (ISO Class 6)or higher. Tyvek is a unique, nonwoven material comprised of heat and pressure bonded polyethylene filaments. Resistant to penetration. Tyvek is a highly effective contamination control fabric. It is chemically and biologically inert, low linting and static-free until it is laundered. . Offers particle containment Accommodates work positions common in cleanrooms SERGED SEAM BULK PACKED Excellent Containment Cost Effective With Proper Processing, Assurance of Sterility.