Silicon based energy band contains minimum 2500 anions per CC

Tennis Red series constructed from the highest grade silicone on the market, the ION Energy Tennis Blue series wristband contains the proven presence of negative ions. Silicon based energy band contains minimum 2500 anions per CC. Featuring the ION Energy logo on one side and a website address on the other and available in 2 colours. The perfect companion for every day. Waterproof, comfortable for everyday use and having in all sizes. Lightweight, elegant and fashionable.