I have various other items for sale. This is a conch shell. It's about 28cm long and weighs 487g. It resonates well with both low and high tones. ♪^o^♪♪ Please take a look at my profile. ^ ^♪♪ The mouthpiece hole is about 6mm. There are natural growth marks and limestone. There are no cracks. Please check the photos. Perfect for carrying around. If you need a beginner's conch shell blowing guide, please write in the comment section. I'll include it for free ♪♪ The price will vary depending on the cost of the shell.