Dupont Tyvek® 251-TY120S-L Disposable Protective Coveralls Size Large - Tyvek® protective apparel provides inherent barrier protection to industrial employees who work in environments including manufacturing, automotive, and utilities. It is tough, yet lightweight and soft. With protection built in to the fabric itself, Tyvek® provides workers superior protection from small size hazardous particles, including lead, asbestos and mold.