This is a rare type of collectible walnut, known as Kikko-mon (tortoiseshell pattern). These are all unpolished, top-quality items. The dimensions are: side 35mm, belly 37mm, height 42.5mm. The unique tortoiseshell-like pattern is a distinctive feature, perfect for enjoyment and appreciation. Please check the images for detailed information about the product and make your purchase based on your own judgment. *Due to the nature of the product, returns and exchanges are not accepted. Please be aware of this beforehand.*