You can also find it from ETSY at https://www.etsy.com/shop/blhandmade/
This is a simple PDF downloadable facemask sewing pattern and it is suitable for beginner sewer.
Dimension 8"W x 6.5" H
You can also find it from ETSY www.BLHandmade.etsy.com
To make it, you can use cotton fabric. The pocket is design for exchange of filter material. Please make sure to wash it first before cut the fabric. This is a reusable mask, you can put it in a high temperature water to clean it before reuse it.
This pattern contains instruction with step-by-step on how to sew it as well as an actual pattern.
It is a beginner level sew project. Have fun and enjoy your sewing!