This HRM Premium mouth and nose mask is neither a medical device (MP) nor personal protective equipment (PPE) | 100% cotton, single jersey | Two-ply | Set of 3 | Very soft and particularly pleasant, reusable two-layer mouth-nose mask with elastic band | High quality workmanship and modern design | The contrast waistband and the soft fabrics provide an optimal fit and a very comfortable fit Size S: ideal for children, adolescents and people with narrow faces, size N: for adults We recommend washing the product before wearing it for the first time Please note that the mask should be replaced regularly and can be washed at 65 degrees due to health protection and hygiene, this article is non-returnable