Product Details. Silk Laundry Long Bias Cut Skirt Storm. Silk Laundry bias skirt crafted in 100% silk detailed with elasticated waistband. Cut on the bias with an ankle length fit. - Material: 100% Silk Sandwashed, 16 momme. - Care: Hand wash in cold water or dry clean. - Matte sheen. - Cut on the bias. - Elasticated waistband. - Ankle length. - Internal French seams. - OEKO-TEX¨ certified. - Fits true to size. - Model wears a size medium