Show Me Your Mumu Viola Mini Dress in Black. - size XS (also in L) Show Me Your Mumu Viola Mini Dress in Black. - size XS (also in L) 100% poly. Made in USA. Hand wash. Unlined. Pull-on styling. Keyhole neckline with tie closure and ruffle trim. Kimono sleeves with flouncy cuffsLightweight tiered fabric. SHOW-WD454. MF1-4819. 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.