Almost every mask, except some sale masks are cut to order, so while I offer standard sizing, you can always email me if you have a custom request. visuallyvee@gmail.comSizing detailsChild small - 6.5” ear to ear & 3.5” nose to chinChild Large - 7.5” ear to ear & 4” nose to chinYouth - 9” ear to ear & 4.5” nose to chinAdult M - 10” ear to ear & 5” nose to chinAdult L - 10” ear to ear & 6”nose to chinHow to measureThe measurements are from just in front of the ears and then from the bridge of the nose to the bottom of the chin. All masks have adjustable elastics to get a great fit.