All No5 mask are made with 100% cotton. With3 layers. The front layer 100% cotton the middle layer N95 filterand the 3rd layer 94% cotton 6% spandex. Our face mask are not made to connect around the ears. Our face mask have a black elastic band that goes around the upper part of the neck.
Sizes
Small : Fits children ages 5- preteens 
Medium: Fits teenagers men and women 
Large : Fits adultswith larger heads.