Silicone O rings. Pack of 10The Silicone Clear O Rings can be used to adjust the ear loops of the face masks to a smaller size for a proper fit. They can also be used to tie the tie straps of the face masks together. We include a set of O rings in every mask package for your convenience. You can order this pack if you are interested in extra pieces. Alternatively any elastic band, elastic or rubber O rings, strong threads or dental floss can be used to tie the ear loops into size.
Silicone O rings. Pack of 10The Silicone Clear O Rings can be used to adjust the ear loops of the face masks to a smaller size for a proper fit. They can also be used to tie the tie straps of the face masks together. We include a set of O rings in every mask package for your convenience. You can order this pack if you are interested in extra pieces. Alternatively any elastic band, elastic or rubber O rings, strong threads or dental floss can be used to tie the ear loops into size.
