A non-woven material produced by I.E. DuPont de Nemours. Tyvek is lightweight and soft, yet strong, whether wet or dry, and resistant to abrasion, puncturing and tearing. Provides an excellent protective shield, holding out 99.9% of all dry particulate down to 0.5 microns in size, offers splash protection against many liquids. Being 100% polyethylene, Tyvek’s physical properties are virtually unaffected by most salts. Tyvek’s clothing is comfortable and economical to wear. 6/Box, one size fits most. Size: Large.