This needle case is complete with its cap and protective leather cover, to which its awl is attached:
There is a similar but incomplete specimen collected at Kushunuk, a former abandoned Inuit village located in the Yukon-Kuskokwim Delta in Alaska.
It measures 14.7 cm in length and is housed at the National Museum of Natural History, Smithsonian Institution, in Washington, D.C. (inv. 36626)