DuPont Tyvek 800J TJ198T CE-Certified Cat-III Type-3/4/5/6 Chemical Protective Coverall Suit with Sealed Bag, White, Large Combines resistance to low-concentration, water-based, inorganic chemicals with the strength and durability of Tyvek Chemical protective clothing, category III, Type 3-b, 4-b, 5-b and 6-b Protection against infective agents including resistance to penetration by blood, body fluids and Blood-Borne pathogens Fabric and seams offer chemical permeation barrier to low concentration water-based inorganic chemicals Serged and over-taped seams for protection and strength