Colorful Tourmaline Initial size: Size 13 (US size) - Adjustable from size 10 to 15 (US size) Material: Alloy [Tourmaline] Stress Reduction: Said to relieve mental and physical tension, and provide a relaxing effect. Mental Stability: Said to balance emotions and support calm judgment. Creativity Enhancement: Said to bring out new ideas and inspiration. Positive Thinking: Said to ward off negative energy and promote a positive feeling. ◆Caution ◎Color errors may occur depending on the monitor environment, so please refrain from purchasing if you are looking for perfection. ◎Please note that there may be chips, cracks, dents, and inclusions in the natural stone. Natural Stone Career luck, financial luck, good luck Power Stone Healer Healing