procryptic ad pen

Product ID: BF0123

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Description: 10.5*3.8cm, 4 color printing on both sides, with pen cap, with a procryptic part, which will change color because of the temperature when your finger press on it, just like the attached picture. You can design your own shape of the pen and what to print on it, and decide how big the procryptic part it is and what picture in this part.
Packing: each in a polybag, about 5000 pcs in a carton, about 18 kg/carton
Very rare in the market, attractive for consumer, reasonable price, good promotional item.!!spec
.Color changing advertisement

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gifts and promotional items