This Mask now includes two elastics. The black elastic is 25" and the additional white elastic is "30.
**Please note that the fit based on hospital guidelines. They are tight for maximum protection. We do recommend if you would like to customize for your comfort keep them stretched out on a form when you are not wearing. This will allow gradual give and it can fit to your head/face size more comfortably. This item is designed for safety not comfort but it can be adjusted at your discretion.**