UK SELLER UK DISPATCH The holographic sticker will emit light when rotated at the angle of natural light or light, and the colour will change at different angles. When it is not reflective, it will be the colour of the material itself. 2. It can be affixed to the product or package to improve the grade of the product, or it can be affixed to the sealing position to prevent the product or package from being opened, and the sticker can help identify your product, Can protect your assets 3. The numbers on the stickers are different, The sticker is available in “void” material, and it will leave a "void" pattern when it is removed.