The common alloy materials of alloy bracelets are zinc alloy, aluminum alloy and environmental protection alloy. Among them, the bracelet made of environmentally friendly alloy has the best quality, and it is chrome-free and lead-free, which has no adverse effects on people. Alloy bracelet has high hardness, hard texture, strong wear resistance, and is composed of a variety of metal elements, but also has corrosion resistance that a single metal does not have; In addition, its weight is relatively light, and it will not feel dripping when worn on your hands.