Médi-Santé Child Surgical Disposable Mask Type IIR EFB 98% 5 Colors 50 Masks is a single-use 3-ply mask for children. This medical device covers the mouth and nose and provides a barrier to minimize direct transmission between two people.The interior is made of non-woven melt-blown fabric;the exterior is made of non-woven fabric;the nose clip is made of wire with plastic coating.The box contains 5 packs of 10 masks of each color: gray, orange, yellow, pink, blue.Dimensions: 145 mm x 90 mm.High Filtration EFB ? 98%.European standard: EN 14683-2019 TYPE IIR.