Titanium Alloy Hexagonal Tritium Tube Keychain Self-luminous for 25 Years

Titanium alloy hexagonal shell with 1pcs 3.5x25mm tritium tube inside
Please rest assured that this is very safe tritium, which is widely used in watches and some high-end equipment. There is no need to worry about safety issues, and it can self-glow for about 25 years.
Color classification:), ice blue (containing a 3.5 * 25mm tritium tube), yellow (containing a 3.5 * 25mm tritium tube), orange (containing a 3.5 * 25mm tritium tube), red (containing a 3.5 * 25mm tritium tube), white (containing a 3.5 * 25mm tritium tube), purple blue (containing a 3.5 * 25mm tritium tube), pink (containing a 3.5 * 25mm tritium tube), purple (containing a 3.5 * 25mm tritium tube)