Boot Covers, Cleanroom Class ISO 6 (Class 1,000) and above, Closure Type Elastic, Color White, FDA Compliant No, ISO Class ISO 6, Material High Density Polyethylene, Metal Detectable No, Overall Height 18 in, Packaging Individually Packaged, Protection Type Cleanroom, Seam Style Bound, Series Tyvek(R) IsoClean(R), Size XL, Standards 1910.120 App B/1910.1450 App A, Class 100, ISO Class 5, Class I Flammability Rating, Federal 209E Clean Room Class 1,000, Includes Slip Resistant Sole Yes