What is titanium? It reduces bad positive ions and balances ions. The human body is composed of a positive "nucleus" and a negative "electron", and weak currents flow in balance with each other. What is germanium? A weak electric current called bioelectricity flows through the human body. Germanium becomes a conductor and conducts electricity at temperatures above 32°C. Germanium, which becomes a conductor, has the property of bonding with charged substances, and when the counterpart is a negative electrode, it serves as a positive electrode. Composition Germanium powder, nylon fiber, PVC (containing germanium), ABS resin titanium powder PVC (containing titanium), ABS resin [Size] 19 cm 20 cm [color] black Precautions Keep out of reach of children to prevent accidental swallowing. If you notice any abnormalities such as itching or rash on your skin, stop using it immediately. Do not store in hot and humid places.