This is a set of 6 muslin koshihimo (waist strings). 3 white, 3 pink. Muslin is non-slip and, compared to polyester or cotton materials, is easier to tighten and less likely to loosen. Muslin 100% wool Length: Approximately 210cm x Width: Approximately 4.5cm *The color may appear slightly different depending on the screen environment you are viewing.