Lined with 100% cotton twill 6-6.5 oz.  pre-shrunk material.  Plaid outside material.  Plaid content - 65/35 polyester/cotton blend or 100% polyester, depending on color. 
Available in Youth and Adult sizes.
Youth Small approximately 7.25" wide x 4" tall.  Fits most aged 6-10
Youth Large approximately 7.75" wide x 4.75" tall.  Fits most aged 10-16
Adult Small approximately 8" wide x 4.75" tall.  Fits small adults.
Adult Large approximately 9" wide x 5.5" tall.  Fits most adults.   
Machine Wash with BEFORE USING.  GENTLE CYCLE, TUMBLE DRY LOW.  
Good information to know about facemasks:  https://smartairfilters.com/en/blog/best-materials-make-diy-face-mask-virus/
Please visit www.cdc.gov for more information.
For solid color masks, https://www.eedeetrim.com/fbemask
For custom printed masks, https://www.eedeetrim.com/custom-printed-mask