Mask has a pocket inside for placing the filter. Can be used with filter or without. Comfortable to wear. One size (adults size fits all).
Cotton Face Mask Washable Reusable Breathable with PM2.5 Filter & Filter Pocket
3 X 100% COTTON FACE MASK REUSABLE WASHABLE BREATHABLE LAYERED FACE COVER
Cotton Face Mask Adjustable Mouth Mask Double Layered Washable Reusable Adult UK
Cotton Face Mask Protective Covering Mouth Masks Washable Reusable
Cotton Face Mask Protective Covering Mouth Masks Washable Reusable Pack of 1/2/3
PM2.5 FILTER for Washable reusable cotton face mask Activated Carbon x 20
