Terahertz (terahertz waves) is attracting attention as a health and beauty method that is expected to activate cells, promote blood circulation, raise body temperature, and improve coldness, stiffness, skin beautification, and relaxation. ● Inner diameter: Approximately 16cm ● Bead size: Cut crystal: 8.0-8.2 x 7.8-8.0mm ● Terahertz rabbit part size: Approximately 17.3 x 13.4mm 200 yen discount when bundled with other products! Great deals on bulk purchases! ⚠️ Notes on natural stones ⚠️ ● Due to natural stones, there may be scratches, dents, black spots, and inclusions. ● Due to the shooting environment, device, type of light source, and (shooting time in the case of sunlight), the color and image of the product may differ from the product image. Please understand this in advance. Please purchase with the understanding of this point. ⚠️ Notes on purchase ⚠️ We strictly refuse cancellations and returns after shipping to prevent product substitution and trouble. Please consider carefully before purchasing. Please do not purchase if you do not understand that cancellations and returns are not accepted.