Reusable hygienic mask. 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. Available in a wide range of colors. For personal use by adults. 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.