This is a conch shell made under the supervision of a Yamabushi (mountain ascetic) priest. It's a portable size for mountain climbing, and could be used as a bear whistle! Regarding the production, it has been thoroughly cleaned, disinfected, and processed, but it is a natural item. Please refrain from purchasing if you are sensitive or seek perfection. Regarding transactions, no claims and no returns are accepted. It is also listed on other sites, so please understand that the listing will be removed once it is sold. SPEC Wooden mouthpiece with Urushi lacquer-style Kinran (brocade) decoration, blowing hole diameter 19mm The taper of the mouthpiece is deeply cut, and a 6mm pipe is inserted, making it relatively easy to produce sound. Length: Approximately 34cm Width: Approximately 14.5cm Weight: Approximately 561g