WAVE STRETCH RING by MAKI Sports, Keyaki (Zelkova) New, Unused. This was a gift, and it has been stored in its bag without being used. The condition is perfect, and it's still in new condition, without the natural luster of the keyaki wood yet. All instruction manuals are included, but please refer to the website for more details. I am selling this item to organize my belongings. Below is an excerpt from the website information: WAVE STRETCH RING, Keyaki (Zelkova) External Dimensions: Length 24cm / Width (Center) 10cm / Width (Sides) 13cm / Height 8cm Product Weight: Approximately 230g (Weight may vary due to natural materials) Made in Japan Material: Keyaki wood (the finest in Japan) <Hollowed-out manufacturing> * Delivery may take some time depending on stock availability. * Material: Natural Keyaki wood Thank you for looking.