You can print different photos on these blank boards or directly use them as vintage keychains. Decorate backpacks, gift tags, crafts and more. How to use: The temperature of the transfer machine is set between 180-190 degrees Celsius/356-374 degrees Fahrenheit, please tear off the protective film before use. Both sides of the blank key fob board can be printed on. Color: Black Made of plastic, this key tag is , smooth and . Material: plastic