Thank you for viewing. Size: 8.3-8.7mm Inner Diameter: Approximately 16cm Elastic: Operon rubber, Black This is a bracelet containing black and yellow tourmaline. It's a size that's easy to wear for both men and women. This one has more yellow. I've taken 8 photos, starting with the first photo and going clockwise, changing the base for the 8th photo. ❇️For those who are new❇️ Please read the profile before purchasing. ❇️Meaning and Effects❇️ The stone words for tourmaline are "hope," "friendship," "purity," "innocence," and "generosity." It is also known as the birthstone for October and is associated with meanings such as "joy in the heart," "comfort," and "patience." It is a power stone that supports positive feelings and harmony in relationships. Based on its properties (piezoelectric effect), such as adjusting the balance of mind and body, healing and purification (stress reduction), promoting blood circulation, protecting against negative energy, generating far-infrared rays and negative ions, and suppressing static electricity, it is said to help with fatigue recovery, harmony in relationships, and improved self-esteem. The meaning also varies depending on the color; black tourmaline represents "warding off evil," and yellow tourmaline represents "light" and "hope." ※Regarding the effects of power stones, there are individual differences, and we do not guarantee the effects described. #TsukinoHaTourmaline #TsukinoHaTourmalineBracelet #TsukinoHaBracelet #NaturalStone #PowerStone #Tourmaline #Multicolor #Black #Yellow #October #Birthstone #Amulet