reusable cotton cloth face masks with adjustable ear loops and breathability for adult

according to the characteristics of facial features, it has added a design to cover the nose, and a design to cover the chin at the bottom, so as to provide all-round protection the filtration mechanism of ptfe nanofiltration material is pure physical filtration, the long-term storage efficiency will not decrease, and it is safe and reliable. hand washable and machine washable. it is recommended that after each use, soak it in water around 90° for 5-10 minutes before cleaning. it's inner layer is a pure cotton fabric. and comes with adjustable nose clips and adjustable ear straps. it is skin-friendly, breathable and comfortable to wear for home, office work, socially distanced commute, walks, bike rides, etc..syi