Reusable hygienic mask. Made of cotton and polyester double layer. Fabric processed with HeiQ Viroblock NPJ03 technology, a high efficiency treatment proven to neutralize bacteria and viruses, COVID-19 included. With ergonomic front stitching for a comfortable fit and elastic ear bands in hypoallergenic fabric, with OEKO-TEX Class I certification. Presented in an individual bag. For personal use by adults. Certified by EU Notified Body and manufactured according to UNE 0065 specification. Treatment properties analysed according to ISO 20743: determining the antibacterial activity of textile products and ISO 18184: determining the antiviral activity of textile products. Aditive HeiQ Viroblock NPJ03, certified as safe and sustainable, all components with cosmetic grade, bio-based and recycled. Bacterial filtration efficiency: 90%. Highly resistant, up to 25 washing cycles. A minimum washing temperature of 60 C is recommended. Features: Reusable, Cotton and polyester double layer, Outside 50% cotton/50% polyester Inside 100% cotton, HeIQ Viroblock technology proven to neutralize bacteria, Comfortable fit Elastic ear bands in hypoallergenic fabric, OEKO-TEX Class I certification, Certified by EU Notified Body and manufactured according to UNE 0065 specification., ISO 20743: determining the antibacterial activity of textile products, ISO 18184: determining the antiviral activity of textile products., Aditive HeiQ Viroblock NPJ03, certified as safe and sustainable, all components with cosmetic grade, bio-based and recycled., Bacterial filtration efficiency: &ge 90%., Highly resistant, up to 25 washing cycles., A minimum washing temperature of 60° C is recommended. Materials: Outside: 50% Cotton/ 50% Polyester. Inside: 100% Cotton. Colours: Black, White. Sizes: 23 x 14.5 cm. Packing: Individually Polybagged. Decoration Position: Centered on the right side, Centered on the left side. Print Sizes: 6 x 5 cm.