Materials: Outer and inner fabric: Cool-touch fabric, polyester, nylon Fabric colors: Light yellow Pale light blue Size: S-M Length: 24cm x Width: 26cm Reversible and stretchy fabric. The length is slightly longer. Please fold the front slightly or loosen the top of the head when using. The coolness may not be felt if left in a hot room. We strive for careful sewing, but there may be slight fabric or seam misalignments, or traces of unraveling. Please allow for some minor errors. The color may differ slightly between the photo and the actual product. Gift wrapping and returns are not available. Please refrain from purchasing if you are looking for perfection.