Features: Contoured design provides maximum field of vision, even with glasses, and they do not interfere with breathing or speech .Adjustable metal nose band for a proper fit.Latex-free, dual elastic head straps help keep the respirator positioned properly on the face.Disposable and maintenance-free.This mask is not a respirator, it does not meet NIOSH specifications, and it does not provide lung protection Specs: Disposable Dust Mask-Polyester-White-Contoured Design-Adjustable Metal Nose Band-Dual Elastic Head Strap-Latex Free Construction: Moldable Metal Noseband Case Quantity: 12 Case Length: 27.3 Case Width: 34.3 Case Height: 22.9