This is Asahi #500 T/C Tetron center-fold bias tape from Watanabe Fuhaku. It is a domestically produced T/C lawn bias tape made of 65% polyester and 35% cotton. It is woven densely with fine threads, making it thin, light, and soft to the touch. It has a moderate firmness, making it easy to curve during sewing. It has excellent compatibility with various materials, and has a proven track record in a wide range of fields without being limited to a specific category. 65% Polyester / 35% Cotton Product Number: 500TC-S Material: 65% Polyester / 35% Cotton Processing Type: Center-fold bias Color: Black Approximately 70% remaining.