Materials: DuPont tyvek2FS,1059B,1073B or Medical Grade Paper Sterilizations: EtO, Radiation, and Plasma Coated Tyvek Top ... top lids / tray lids Typical Application: Tray lidding of sterile disposable device. a Good bacteria resistance and breathable character, easy to ... any sizes andstyles are available. Welcome to your inquiry. Tyvek Medical Disposable Die-Cut or Lid