Billabong EFX Silocon Sport Wristbands are designed for the specific purpose of stabilizing and harmonizing your body's bioelectric current, thereby enhancing your flexibility, balance, strength, and endurance, and can help decrease negative ailments like jet lag, swelling, motion sickness, and stress. EFX Silicon Sport Wristbands do this with a holographic emblem that channels your bioelectric current properly and efficiently, so try one out today, and become a believer, no matter what activities or sports you're into!