Cashel CompanyFly Mask Extenderadds 5" to your fly maskEasy to attach to each side of existing strapProvides greater sizingProvides greater flexibilityProvides greater fitVSEThe Cashel Company Fly Mask Extender adds 5" to your fly mask to provide greater sizing flexibility and fit. All you need to do is attach the Extender to each side of the existing strap and you're done.