Size Guide: S=US 4-6, M=US 8-10, L=US 12-14, XL=US 16, 2XL=US 18. This is true to size, please purchase according to your normal size. Machine washable recommended with a laundry bag, do not iron, do not bleach, hang or line dry. A Line Ruffle Midi Dress Is Made Of Soft Polyester/ Spandex Blend Fabric, The Fabric Is A Little Thicker Than Other Summer Wear. Not Stretches, Perfect For Summer And Other Seasons.