Not only does Sodalite assist with your emotional and verbal communication it also helps to calm the mind. Sodalite is also used to aid with weight loss and weight management. Sodalite encourages you to stand up for your beliefs while remaining true to yourself. This bracelet is made with 8mm Sodalite. SIZING INFORMATION Please measure your wrist with a measuring tape to ensure the most accurate measurement. If you do not have a measuring tape, you can also use a string by wrapping it around your wrist and then cutting the piece of string. After you have your cut string, place it alongside a ruler and write down your measurement. To ensure a perfect fit, please had 0.5 inch to your wrist measurement, if you want a little room please add .75 inches to your wrist measurement.