This is a set of obiage (sash scarf) and han-eri (collar) made from the fabric of a haori (traditional Japanese coat). The material is unknown. It appears to be synthetic fiber. Han-eri: Approximately 17 x 110 cm Cut with pinking shears except for the selvedge. Please allow for some slight unevenness. Obiage: Approximately 9 x 162 cm The part that wraps around the obimakura (sash pillow) is open for about 28 cm (obimakura not included). This is a remade item created by an amateur. Please consider this before purchasing. Thank you for looking.