Poly blend. Dry clean only. Fully lined. Neckline cut-out. Elasticized arm openings. Back cut-out with button closure. Metallic threaded fabric. SHOW-WD316. MR7 971. Mumu is not simply a garment, it is a lifestyle. Spontaneous. Fun. Easy going. Unique. Versatile. Imaginative. It all encompasses the mumu, and a way of life.