Crafted with meticulous attention to detail, the IMMU MonoCase Collection features premium antiviral artificial PU leather which uses IMU+® that provides long-lasting protection and a luxurious feel. It can kill 99.99% of surface pathogens within 20 minutes. Even if the material surface is worn off, the subsequent layers’ antimicrobial agents still maintain our products’ antiviral and antibacterial functions over 3 years.