#100 silk 220yd Spool Available in 80 colors. Ideal for hand and invisible machine appliqué, detail quilting, lacework and bobbin thread. Can be used for apparel when silk thread is preferred. Superior's Kimono Silk is a thin Japanese filament silk thread. Because Kimono Silk is so fine, it seems to disappear into the fabric. Ideal for hand and invisible machine appliqué, detail quilting, lacework and bobbin thread