Material: synthetic silk. polyester.Fabric: 100% satinSize reference: M. L. XL. XXLSize wear Dress length. about 74cm (without sling)M size is suitable for femmal weight less than 50kgL size is suitable for femmal weight less than 56kgXL size is suitable for femmal weight less than 62kgXXL size is suitable for femmal weight less than 68 kg