Each mask is hand made to order, and one size fits most. Each mask is also made with 100% cotton and lined with two layers of mid-weight non-woven fusible interfacing. The measurements of the cotton portion of the mask are 9.5 inches long by 5.5 inches wide (the width is from the base of the mask to the peak of the mask).A different pattern will be used for the “back” to help denote which side was used against your face. This helps prevents users from accidentally flipping the mask around and pl Fitness, Masks, Mask, The Mask, Face Mask, Adult, Fusible Interfacing, Cotton, Sonic