Thank you for viewing. Please read the profile section. This is a set of 5 sprays that you apply before wearing a mask to block viruses and bacteria from attaching. (Get one more free now!) Although unused, it has been stored at home for a long time. Please refrain from purchasing if you are concerned about this. Stock is available. Please consider purchasing only if you understand that this is a used item. We will compress the item as much as possible and ship it in simple packaging. Thank you.