Power Stone: Happy Marriage, Angel Stone, Protection from Nighttime Dangers - Color: Blue and Transparent. The color in the photo on the plate is the closest. - Materials: Aquamarine and Crystal 12mm beads (large), 10mm beads Inner diameter 16cm (a common wrist size for women). It's a stretch type for a good fit and can be worn in various situations. We recommend measuring your wrist before purchasing. Also, size adjustments may be possible for 300 yen if we have the stones available, so please consult with us in the comments before purchasing. Color...Blue系 (Blue-based) Material...Natural Stone Bracelet/Bangle...Bracelet Stone Material...Aquamarine