*Customized zinc alloy fashion sublimation jewelry necklace. Every necklace comes with two aluminum inserts for you to sublimate your own designs (on both sides).
*Please check for plastic film on aluminum insert before sublimating. After sublimation, stick the insert onto the adhesive inside of the heart portion of necklace.
*Sublimation setting: 400 degrees/60 seconds. Time may vary based on model heat press.