Blue plastic ball-pen is made in Yiwu, Zhejiang province, and the wholesale reference price is 0.1-0.2 yuan per piece, packing specification is 1728 support /pieces, minimum order quantity is 1member. The shell of the blue plastic ball-pen is made of high-quality environmentally friendly plastic. The color of both ends is blue, suitable for study, office and gift giving. The blue plastic ball-pen adopts the latest developed ink, which is anti-oxidation, does not fade, does not fade when exposed to water, and the shell design is transparent. The pen head switch of the blue plastic ball-pen adopts a plug-in sleeve design, and the pen head is equipped with a plastic hook, which can be easily hung in the clothes pocket.