You can print different photos on these blank boards or directly use them as vintage keychains. Decorate backpacks, gift tags, crafts and more. Color: White Made of plastic, this diamond key tag is , smooth and . 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. Material: plastic