Reusable S-sized hygenic mask. Perfect size for women and teens. Made of cotton and polyester double layer. With ergonomic front stitching for a comfortable fit and elastic ear bands in hypoallergenic fabric, with OEKO-TEX Class I certification. Only for personal use. Certified by EU Notified Body and manufactured according to UNE 0065 specification. Finishing and durability according to the CWA 17553 standard Bacterial filtration efficiency: ≥ 90%. Highly resistant, up to 25 washing cycles. A minimum washing temperature of 60°C is recommended.