Cotton Mask With Built in Washable Filter Palm

3 layer breathable summer cotton mask with built in filter. Style: Earloop Material: 100% Chemical free Pre-washed Cotton Filter: Built in and washable Layers: 2 layers of cotton (same fabric inside and outside) + 1 layer filter Size: 8" X 5". Elastic stretches from 2" relaxed to 5". Cotton GSM: Approximately 80 for use in summer Filter: Built in, Washable, non woven melt blown polypropylene Reusable + Washable + Eco-friendly Care: Hand wash and air dry to prevent shrinkage as cotton always shrinks a bit but dryers make them shrink more. The cotton is prewashed before making the masks so there will be less shrinkage.