Power Balance Game Day Silicone Wristband - Genuine - Purple/Yellow 2 Colors In 1 - Reversable Band! The Power Balance band is a performance technology wristband with a distinctive hologram worn by millions of consumers and athletes worldwide. It is based on eastern philosophies of health and wellness. Power Balance holograms are created using a proprietary process featuring cutting edge three-dimensional technology, which makes the hologram truly unique. Power Balance products are sold only through authorized retailers. Golf Tees Etc are an official retailer. Available in 4 sizes