Features Single use Material: non-woven polypropylene Soft, non-irritating, lint-free material Adapts to different face shapes Odourless – graphene free Two strong, latex-free elastic bands provide perfect support for the mask's face and nose Comfortable and non-injurious nose clip Hypoallergenic and gentle Recommended wearing time: up to 8 hours continuous Nose bar: steel and polypropylene Individual bag: Recyclable polypropylene Pack of 25 Technical Specification Class: FFP2 Flat dimensions: 232 x 96 mm /- 3% Thickness: 2mm Weight: Less than 6g Usage: Single Use Compliant Standard: EN 149:2001 A1:2009 Pack Quantity: 25 Case Quantity: 4