These plug / jewelry boxes are handcrafted in Indonesia. They're made of Mahogany and the lid is hand painted. The shape of the box resembles a saddle flared plug. Roll cursor over the image to see an example of the inside of the box, which features the Flaming Bones logo.
Approximate measurements are:
2-3/4" O.D x 1-3/4" tall.
2" I.D. x 1" deep.