Hygienic Reusable Fabric Mask Heart Children's, ideal for those who seek quality products for their little ones Get and other brands and licences at the best prices Printed: HeartProperties: ReusableMaterial: Water-repellent microfiber, an approved filtering fabricBacterial filtration efficiency (BFE): 95 %Liquid and solid aerosol filtration efficiency: 96 %Easy breathability: Characteristics: It is sent bagged and closed with an information leaflet, including the washing process, instructions for safe use and technical information.The sizes of the masks as well as the elastic are approved. These are standard measurements and it is recommended that the elastics be adjusted for greater adaptability and efficiency.Washes: 90Conforms to regulations: UNE 0065:2020UNE-EN 14683:2019UNE-EN 149Particle filtration efficiency: 92 %Recommended Use: Children's B. MASK CHILD 6-9