Very high quality and solid. They are comfortable for people wear glasses, not get used to wear mask before and breath easily. 2 faces of mask are in different fabrics. Made from cottons that are smooth on your face and high protected. The filter layer in the middle with hold the shape of the mask open and not move or stick on you nose The wider you open the mask, more spaces you would have inside to breath. For the all size of the masks I recommend in 3 layers because they will be well protected with the fabric are listed in Catalogue 1 of AFNOR. Because of the leak of worker, the time products arrived to you could be 2 week or 3 weeks. Fabric Content: 100% cotton Care Instructions: Machine Wash Occasion: Everyday Aesthetic: Casual Fit: Unisex