For Any Player or Active Sports Fan Rejuvenate your body from physical activity & stress. The IONIC necklace helps relieve stiffness in the neck and shoulders, eventually stabilizing your whole body. Features: - These are soft and comfortable. - Ease neck, shoulder and upper back pain. - Help recovery from sports fatigue. - Restore important ion balance. - Improve concentration and focus. These necklaces can be worn any time or all of the time. Available in sizes: Small(17.5") - Medium(20") - Large(23")