SIAA certified products with high safety. Not only do they have antibacterial and antiviral effects, but they also offer high-performance, long-lasting features such as mold prevention and odor control. - Antibacterial effect on internal door knobs lasts for over 2 weeks - Antibacterial effect on internal elevator buttons lasts for over 1 month - Mold prevention effect around air conditioners and filters lasts for over 1 year, etc. Highly durable and high-performance. Being in spray form makes it easy to implement infection control measures.