Kleenex Anti-Viral 3-Ply Facial Tissues, Cube Boxes (55 Tissues/Box, 12 Boxes) Kleenex Anti-Viral tissues are the only tissue that can kill 99.9% of cold and flu viruses. Whether its for your home, office, or classroom youll have plenty for everyone with 12 cube boxes of 55 anti-viral facial tissues. Kleenex Anti-Viral tissue has a specially treated middle layer that wipes out cold and flu viruses in the tissue. When moisture hits the middle layer, the tissue will kill 99.9% of the viruses in the tissue. Plus, you can find a tissue box that fits your home because each tissue box is available in various colors and designs.