It is a general use of 3ply face mask Uniquely designed: Comfortable elastic ear loop, extra-soft ear loops eliminate pressure to the ears. 3 LAYERS PROTECTION: Three layers, of protective filtration which includes non-woven fabric outside, Melt-blown fabric filter in the middle and soft non-woven fabric inside for comfort. COMFORTABLE & FITS MOST: Mask is made of non-woven fabric for easy breathability. Use of elastic ear loops means that it fits most. Package Included: 50pack of face masks! Please feel free to contact us if you have any questions. We will do our best to solve your problem to ensure you get the best product buying experience