The surface is 100% cotton, beige with a hydrangea pattern. The back is double gauze. This is a three-dimensional inner mask for adults ❁ Please note that the pattern will vary slightly depending on how the fabric is cut. It is almost the same size as a commercially available mask. Since commercially available masks are in short supply, using a washable inner mask will reduce the consumption of masks (˶ᵔ ᵔ˶) At the longest points: Approximately 12 cm in length Approximately 10 cm in width