I bought two and gave one to my mother as a present, but she said she didn't want it... (*T^T) I opened it to check the contents, but it's unused. Since it's been opened once, I'm listing it as "Like New." I wear it when I'm in crowds and wearing a mask, and it makes it easier to breathe because the air circulates inside the mask! If you're interested or would like to buy it, please leave a comment.