Product Description Specifications 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: > 98%. Highly resistant, up to 25 washings. A minimum washing temperature of 60°C is recommended. Materials: Outside: 50% Cotton/ 50% Polyester. Inside: 100% Polyester Features: 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 OEKO-TEX Class I certification. Medium size (6 to 9 y Decoration Position: Centered on the right side, Centered on the left side Print Size: 5 x 4 cm