BRIEF DESCRIPTION - Single use protective mask 3 layers - With elastic bands and nose clip - non sterile MATERIALS - The mask is made with 3 layers: Inner layer (in contact with the face): Nonwoven Spunbond, Polypropylene 100% White, (Q-Tex PP nonwoven spunbonded - 25g/m2 white, provided by Q- Nonwovens BV) Middle layer: Nonwoven Meltblown, 100% polypropylene, 22 g/m2, 0.2 mm. Outer layer: Nonwoven Spunbond, Polypropylene 100% light blue, (Q-Tex PP nonwoven spunbonded - 28g/m2, supplied by Q-Nonwovens BV) The elastic bands are made of polyester and elastane (87% and 13% respectively) and are supplied by EFFE-ELLE srl. There is no latex component in the device DESCRIBE THE PACKAGING - Cardboard box of 50 pieces containing 5 PE bags of 10 pieces each.