... .0cm, 20.5cm Fashion Energy Balance Silicone Ion Bracelets with Hologram Specifications:1. Material: 100% silicone ... silk screen printed, debossed, embossed, and filled color4. customized sized and design are available for balance bracelet5. ... stabilize nervous system, promote cell regeneration, and prevent ageing.* Improve concentration and boost work efficiency.* Isolate electromagnetic radiation, ...