Composition: - Oeko-tex cotton - Polyester elastic - Stainless aluminum nose bar Packaging: 100% compostable tissue paper Color in stock: plain black Origin: Nantes (44) Product strengths: - nose clip - 4-ply design: smooth breathing - reuse of disposable mask clips and elastics - upcycled tights on black mask - double thickness mask made according to AFNOR standards and official government recommendations Tips for use: - wash the mask at 60°C before first use - wash and disinfect your hands before handling the mask - duration of use limited to 4 hours before washing - store the mask in a clean and dry place - wash the mask at 60°C after each use - store in a waterproof Unigreen pouch (model 22 x 10) Weight (kg): 0.009/0.007