CERTIFIED hygienic mask, washable and reusable, keeping its properties intact up to 25 washes, designed and manufactured in Spain APPROVED ACCORDING TO THE NEW STANDARD UNE 0065: 2020 AND EUROPEAN REGULATION CWA 17553 95% effective against bacterial filtration SIZE: Adult. MEASUREMENTS: 14cm long and 12cm on each side (folded in two) -Effective against bacteria thanks to the 100% cotton inner layer fabric. Outer layer: 100% cotton/polyester -Breathable fabric without losing the property of fluorocarbon repellency WARNING: This device is not a medical device within the meaning of Directive 93/42 or Regulation EU/2017/745, nor a medical device. individual protection in the sense of Regulation EU / 2016 / 425 THIS PRODUCT DOES NOT ALLOW RETURN