Durable Elastic Ear Loops : ULTRASONICALLY sealed Ear Loops. Extra 5mm width of loops which provides extra stretch making it comfortable for people with broad face. Nano Fibre Later : Innovative High Density Nano Fibre Layer is used in middle which gives high breathability and filters additions dust and pollens. 3 Layers Of Filtering Protection : Care View 3 Ply disposable surgical masks contain a premium Non-Woven outer filter layer called Hydrophobic layer. Wide Coverage & Comfortable To Wear : Care View 3 Ply disposable surgical masks are Tri-folded masks that extend down to cover the face from the nose to underneath the chin with a snug secure fit.