Hand crafted. These are resized to your needed size. Kyanite Blue aventurine 2mm Glass silver seed bead Elastic *Listing is for one only These are stretchy rings made from elastic and may stretch out over time. Do not stretch over the finger, but rather roll over the finger to avoid over stretching. Take rings off before coming in contact with water. Doing so will prolong your elastic jewelry. Colors may differ in person due to screen differences and multiple quantities *Information is metaphysical in nature. Crystals should not be used as a replacement for medical treatment. These are not intended for smaller children. Though the knots are tied tightly, there is still a chance of breakage. This could cause a choking hazard.)