Thank you for viewing! ◎ I hope this power stone will encourage you in some way. ◎ If you are interested in this stone, or if this product caught your eye, I believe it's fate. Indian Jade: Approximately 8.5mm and 6mm Crystal: Approximately 6mm Cut Button Purified. Inner size: Approximately 15cm Uses transparent Ope-lon rubber (4 strands) Indian Jade: It is said to be a stone of relaxation that heals tired hearts and relieves stress. It is also said to be effective when you need to make a calm judgment or want to concentrate. Crystal: It is said to be a power stone that is compatible with anything. It is said to be a stone that wards off evil and brings good luck. Crystal symbolizes purity and innocence, purifies the mind and body, activates vitality, and awakens potential and talent. As this is handmade, we appreciate your understanding. Also, as natural stones are used, please understand that there may be variations in color and shape, distortions, cracks, and inclusions.