Small/Medium: women's 4-8. Medium/Large: women's 10-14. 100% Rayon - Hand or machine wash cold, tumble dry on low heat or line dry. This lux, flowy dress made of luxurious rayon is so soft and easy, with adjustable straps. Feel amazing dancing and swaying. It is hand silkscreened in one of their original Balizen prints with an eco-friendly, seaweed based dye. Hand or machine wash cold, tumble dry on low heat or line dry.