Excellent transparency! Inner circumference: Approximately 16.5cm <About Natural Stones> ・Natural stones may have natural scratches, dents, and inclusions. Please understand this. ・Please rest assured that these are not defective products! ・Due to the nature of natural materials, there may be slight variations in the size of the beads in the bracelet. Please understand this. ・By handling them with care, you can enjoy them for a long time. ・Returns are not accepted after purchase. ・If you have any questions, please feel free to contact us in advance.