Respiratory folding masks in a Single bag.FFP2V. Exhalation valve for optimum comfort, Folded mask fo optimum storage space, Low-profile shape: perfect vision. Wraparound shape: large filter surface and increased comfort. No staples: no risk of irritation. Coloured nose-bridge: easy adjustment and instant identification of the level of protection. Willtech seal: hypoallergenic, anti-perspirant, better comfort. Individual reusable bag: protects the mask before use and during breaks. No pvc, Silicone, latex and Staples: greener.NR = Non reusable - ,,D = tested using Dolomite