Reusable hygienic mask for children. 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. For personal use. Medium size (6 to 9 years old). The fitting, use and removal of the mask must be supervised by an adult. Certified by EU Notified Body and manufactured according to UNE 0065 specification. Bacterial filtration efficiency: > 90%. Highly resistant, up to 25 washing cycles. A minimum washing temperature of 60°C is recommended. Outside: 50% Cotton/ 50% Polyester. Inside: 100% Cotton