Guangyinlong or Xiaoyinlong (dumb silver sticker) Some people also call it Silver Polyester. What can shine on the front is that Guangyinlong can't shine on people, and what is dumb silver material has different thicknesses: 2.5 wires, 5 wires, 1 wires and 2 wires (rarely used). If it is unclear, add 75175884 Zhongchuang sticker.