Tritium Keychain is a unique self-luminous keychain that glows continuously up to 15 years. It has bright and clear glow. Tritium Keychain has waterproof feature that stands water pressure even when it is under 100m depth of water. It contained tritium gas that has radioluminescence to light up and works for a long time. Not only for keychains, Tritium Keychain also works perfectly as a flashlights and tagging handbags.
Waterproof: Tritium Keychain functional normally even under 100m depth of water.
Long-lasting: Glows continuously for 15 years.
Lightweight: Perfect for tagging zippers such as handbags.