Material: Titanium TC4, not only lightweight and hard surface, but also environmentally friendly and harmless to the skin. It has excellent properties such as being extremely light, non-magnetic, corrosion-resistant, and allergy-free. The luxurious design and texture make it a great bag not only for men but also for women, and it's just the right size and easy to hold in your hand. It is useful as a pocket tool for emergency evacuation. It can be used as a key chain, car accessory, pendant…