Silver Gauze 3"x12" Made of .999 Pure Silver Bonded to Nylon Provides all of the Benefits Silver is Known to Offer An Essential Item for Every Survival Kit and Does Not Expire A Must-have for Any Hiking, Camping, or Tactical Pack Washable and Reusable Fabric - Lightweight, Breathable, Elastic Includes 1 Roll of 3M Micropore Tape (1/2 inch x 10 yards)