These are 44 inch wide Crepe de Chine fabrics imported from China. Fiber content is 100% silk. Crepe de Chine can be hand washed with baby shampoo. However, I suggest dry cleaning only. There are two grades here 23 momme (mm) and 12 momme weight. The 12 mm is a lighter fabric and excellent for those who want to experiment with sewing silk. Price is per 1/2 yard.