Thank you for viewing. I believe this is a seashell used as an obi-dome (sash clip). You can see small pebbles, like gravel, inside. It's a brown color, making it easy to use and perfect for casual outfits. *Size: Height x Width... Approximately 28mm x 45mm Thickness... Approximately 13mm (including fittings... approximately 18mm) Inner diameter of the stringing part... Approximately 10mm x 2.5mm *This item has been stored by an individual for a long period, so there may be some damage due to aging. Please consider this item only if you understand that it is a used item. *The item is the obi-dome only. There are no accessories such as a box. Please note that recycled materials may be used for packaging. Anonymous shipping will be used.