Show Me Your Mumu Ranch Romper in Blue. - size L (also in M, S) Show Me Your Mumu Ranch Romper in Blue. - size L (also in M, S) 100% cotton. Made in China. Hand wash recommended. Front zipper closure. Front and back slip pockets. Stretch denim fabric. SHOW-WR162. MDS4-713. 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. Shop the latest in fashion from Show Me Your Mumu