Keeping your team comfortable while offering effective protective clothing is a must, and KleenGuard* chemical A40 liquid and particle protection boot covers are a great solution. They feature serged seams, an elastic opening and a seamless sole. They are 17 inches tall and one size fits all. Made of breathable microporous film to keep out debris, non-hazardous liquid chemicals and dry particulates, the KleenGuard* chemical chemical chemical A40 material gives your employees a better liquid barrier and a better particulate barrier than DuPont™ Tyvek®. These boot covers pass NFPA 99 for anti-static materials, pass ASTM F1670 testing for penetration of blood and bodily fluids. Popular industries using this product include aviation, pharmaceutical manufacturing, wind blade manufacturing, liquid handling, general manufacturing anthe KleenGuard* chemical chemical chemicKleenGuarKleenGuard* chemical KleenGuard™ Boot Cover, Series: A40, Fits Shoe Size: M to L, White, 17 in Height, Elastic Closure, Microporous Film Laminate Outsole, Specifications Met: ANSI/ISEA 101-1996, NEPA 99