Washable Reusable Shoe and Boot Covers - Large/Black, Nonskid, Made in USA High Quality - FREE SHIPPING - 1 Pair Per Package Made in USA 4 Sizes Available for a Perfect Fit (see below) Superior Traction for Safety - ASTM Safety Rated Moisture Barrier - No Wet or Dirty Tracks Machine Washable - Average Lifespan 6 to 12 Months