Large (5" x 8"), individually foil-packaged towelettes contain 70% Isopropanol and are designed specifically for rubber respirator facepieces and other personal safety equipment. The box is designed as a wall mounted dispenser, or can be wall mounted using the box holder. 100 towelettes per box. Or choose alcohol free cleaning pads where the manufacturer recommends using a non-alcohol cleaning wipe. Active ingredient: Benzalkonium Chloride. Will not harm even the most sensitive rubber facepieces. 100 towelettes per box.