Light and darker green pair jade ben wa balls , "yin yang" energy for balance.  Approximately 20 mm each.
Natural color, each jade ben wa ball will vary.  Drilled with hole for string, dental floss to help remove. 

How to use jade ben wa balls available here

These are the best quality, genuine and natural jade eggs and ben wa  you can purchase.  Jade has been used for centuries for eggs and kegel exercise for women because of the qi energy compatibility.

These are (very) personal items, and sale is final, returns not accepted.