Color Change Roast Pig Pendants Keyrings for Women (Protective charm)

Note:

The color changing principle of this ornament is that after being irradiated with ultraviolet light, the surface of the material changes color, and the intensity of the ultraviolet light will affect the color changing effect;
Indoor or car areas with obstruction have weak ultraviolet radiation and only slight discoloration. 

This product can be used as a necklace (suitable for girls and children), a keychain pendant to hang on backpacks, a decorative pendant to be placed in cars or any other items to prevent harassment or for people who can't touch it, can't touch it.