Featuring elastic ear loop, this mouth mask is large enough for covering nose and mouth, very comfortable to wear. • 6oz. Made of 100% polyester. • High elastic ear loop for comfortable wear. • Large enough for covering nose and mouth. • Advanced printing technology, presenting vivid images. • Easy inserting filter chip, but not including filter chip. • We recommend Small Size to kids aged 0 - 6 years and Medium Size to kids aged 6 - 12 years.