Standard Mask is made with two-layers of OEKO-TEX® certified cotton with adjustable ears.
Three-Layer Mask is made with 3-layers of OEKO-TEX® certified cotton with a filter pocket, removable nose wire and adjustable ears (nose wire and filter included).**
Four-Layer Mask is made with four-layers of OEKO-TEX® certified cotton with filter pocket, removable nose wire and adjustable ears (nose wire and filter included).**
**Filter pocket makes the mask less reversible.
