The unique three-panel design of these 3M Aura 9332+ FFP3 dust masks addresses the need for Comfort, protection and practicality. The three panels allow for freedom of movement to avoid the mask slipping, while the top panel and 3M Cool Flow valve mean it integrates well with the wearer's safety glasses. Hygienic packaging and the fold-flat design mean these 3M dust masks are convenient and practical to carry around.