Reusable double-layer hygienic mask, made of anti-bacterial and water-repellent material, with high resistance to breakage, abrasion and tearing. Outer layer 100% polyester, with inner layer in technical material, 100% polyester. Ergonomic front stitching for comfortable fit and elastic ear bands, OEKO-TEX certified. Recommended for sublimation, pad printing, silk-screen printing, embroidery and silk-screen transfer. For personal use on adults. Manufactured according to UNE 0065 specification. Finishing and durability according to the CWA 17553 standard. Bacterial filtration efficiency: > 94%. Heavy-duty, up to 25 washing cycles. It is advisable to wash at least 60ºC.