Hina Ningyo (Japanese dolls for the Doll Festival) Accessories: Ei (a type of ornament) Accessory for the Emperor doll's crown: Ei Length: Approximately 11cm New, unused, stored in a warehouse. This item is often lost in homes with Hina dolls: Ei It may not fit perfectly into the hole of your existing crown. In that case, you may need to trim the width yourself or wrap something around it to make it thicker.