this review title is: no more mask mumbling and the content is: these mask frames increase compliance of mask wearing by increasing the comfort of breathing they allow folks to speak far more clearly because the mask is not against their lips this helps others to understand them which can be difficult when unable to see others mouths lips in noisy places or with hearing issues no more mask mumbling the mask stays drier and more comfortable recommend.there are other information for this review, one is this reviewer did purchase it and the other is 0 people think this review is helpful.