Silk This dress version of the Morpho butterfly was a dream project for years until I was finally able to find the bright blue and black silk I wanted, called Aquamarine, from Silk Boho Morpho Butterflies Sling Maxi Dress, Blue Butterflies Long Dress, Witchy Hippie Boho Maxi Dress, Summer Party Dress, Resort Wear Dress Etsy Butterfly Lace Sweetheart Prom Dresses Tulle Long Kid's Blue Morpho Butterfly Dress 2T