These A40 Liquid and Particle Protection Shoe Covers are KleenGuard Personal Protective Equipment (PPE) that enables rather than inhibits - allowing maximum productivity and safety for you and your employees. Shoe covers keep your team comfortable while offering effective protective clothing. They feature serged seams, an elastic opening and a seamless sole. They are 7" tall, and one size fits all. Made of breathable, microporous film to keep out debris, nonhazardous liquid chemicals and dry particulates, the KleenGuard A40 material gives your employees a better liquid barrier and a better particulate barrier than Dupont Tyvek. These shoe covers pass NFPA 99 for antistatic materials and ASTM F1670 testing for penetration of blood and bodily fluids. Popular industries using this product include aviation, pharmaceutical manufacturing, wind blade manufacturing, liquid handling and general manufacturing.