Washable - Fabric Wrapped Copper Wire Doesn't Melt Like Plastic in Heat or Rust Like Raw Steel Save Time - No Need To make a Pocket to Insert. Directly Sewable Firm and Flexible - Bend Comfortably Around Nose Easy Cut with Regular Scissors - 5 yards of Nose Wire Makes 50 masks (3.5" each) Shipping / Customer Service from Family Owned Small Business in the US Washable - Fabric Wrapped Copper Wire Doesn't Melt Like Plastic in Heat or Rust Like Raw Steel. Save Time - No Need To make a Pocket to Insert. Directly Sewable - Firm Enough, Bend Comfortably Around Nose - 5 yards of Nose Wire Makes 50 masks (3.5" each)