Banana green Howlite necklace with Turquoise color Czech glass beads. Fun to layer or wear This necklace is a one-of-a-kind, handmade by Navajo artist, Mary Winona Roanhorse. The length is 18.5 inches with stainless toggles. Navajo bead artist, Mary W. Roanhorse, certainly outdid herself on this one. A percentage of your purchase is donated to assist Native Women victims of domestic violence.