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 deterrent 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. It is also listed on other sites, and will be removed from sale once sold out, so please be aware of this. Regarding transactions, no claims and no returns are accepted. SPEC Wooden mouthpiece with Kinran (brocade) decoration, blowing hole diameter 19mm The taper of the mouthpiece is deeply cut and an 8mm pipe is inserted, making it relatively easy to produce sound. Length: Approximately 36.5cm Width: Approximately 17cm Weight: Approximately 700g