Thank you for viewing! ◎ I hope this power stone will encourage you in some small way. ◎ If you are interested in this stone, or if this product has caught your eye, I believe it is fate. Red Agate: Approximately 10mm Crystal: Approximately 8mm Cut Button Purified. Inner diameter: Approximately 15cm Uses transparent Opelet rubber (4-ply) Red Agate: It is said to have the power to strengthen bonds and boost vitality, and to energize the blood, making it a talisman for fertility. Crystal: It is said to be a power stone that is compatible with anything. It is said to ward off evil and bring good luck. Crystal symbolizes purity and innocence, and is said to purify the mind and body, activate vitality, and awaken 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, shape, unevenness, cracks, and inclusions.