Description of the article: Washable and reusable textile mask with antibacterial and waterproof treatment filter (Pack of 2 Units.) Mask composition 96% Polyamide 4% Elastane. Filter 51% Polyester 49% Cotton. With a guaranteed treatment for 20 uses. Savings pack of 2 units with 4 filters. It is made with two elements: The protective mask with elastic knitted fabric composed of Q-SKIN Bacteriostatic Nylon (96%) and Elastam (4%) in a double layer that guarantees maximum adherence to the face, with a pocket on the side. internal (between the two layers) in which you can insert a filter. A multilayer filter fabric composed of Polyester (51%) and cotton (49%). You can wash everything in the washing machine at 30oC. VIROBLOCK, WATERPROOF post-treatments are guaranteed for a maximum of 10 washes. It is not a medical device, it is not a DPI.