Love this magnet choker so much! Easy to take on and off and feels soft of the neck. 14.5 inch in length sets perfectly on your neck. Please let me know if you would like to add length to this since it is made without an extension. Gold Filled Box chain with a gold plated magnet. Length 14.5" does not have an extension so please email if you would like a bigger size WARNING: Contains small magnets. Swallowed or inhaled magnets can attract through and squeeze intestines or other body tissue, causing serious injury or death. Seek immediate medical attention if swallowed or inhaled. Magnetic fields can affect the function of pacemakers or other implanted electronic medical devices.