The size of the ballpoint black ink pen is 5.2"x 0.6" ,it uses a 1 mm thick refill, and the ink flows out smoothly.It is made of quality bamboo, which is safe and does not hurt your hands. It is reliable, has a good waterproof ability and a good rust-proof ability.When you need to use it to write, you just click on the pen tip. When you don't need to write, you just need to press the pen tip again.It is suitable for home, school, office, diary writing, office supply; You can also give it as a gift to family, colleagues, or use it as a small gift for class activities.QTY over 22k pcs shipping by sea.

The retractable ballpoint pen with a clip design, clip easily on your carrying case, pocket, book, diary, etc. Easy to carry to everywhere you want.The pen holder is made of high quality metal material, comfortable and durable. Good assistant for office, bring you nice using experience.The ballpoint pen refills are replaceable(Black ink) .Nice as a birthday gift or holiday gift for a business client.QTY over 10k pcs shipping by sea.