The mask fulfills the purpose of a simple and hygienic mouth and nose protection to protect your fellow human beings. The mask fleece can be easily disposed of after each use and exchanged for a fresh one. The mask is not certified for medical or nursing use. We expressly point out that these masks are not a product within the meaning of the standard EN 149 (PPE) and EN 14683 (surgical masks) and the masks have no proven protective effect regarding infections (in particular) COVID-19. These masks only contribute to reducing the risk of infection of other people by the wearer. Optimal wearing comfort and secure hold Breathable, drop-repellent (hydrophobic) fleece Undisturbed breathing and speaking Individual size adjustment of the elastic band (also for children!) One pack contains: 100 hydrophobic fleece mask inserts, 20 interchangeable clips , 10 rubber bands. Quantity discount when purchasing 10 packs or 20 packs.