Pure O2 pack Category: Disinfectant, Deodorant ShelfLife: 2 Years from the date Manufactured Period of Use: 40 days upon opening Product Details - 99.9% kills Harmful Bacteria, and VIRUSES - Strong Deodorizing Removes Odor - Colorless, Non -Alcoholic, Non- Toxic, and harmless to Human Body it is WEARABLE. *** Best use for kids and for daily added protection.***