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