Description These are neutral Pen Refill replacements, which are made of safe material, making them not easy to break and leak. Suitable for sending it as a gift to students and teens, encourage them to study harder.A perfect gift choice for your family, friends or colleagues, they will like them a lot. Features - Color: Black -Material:PP - Size: 11.40X0.20X0.20cm/4.48X0.08X0.08in -Note:black refill -The pen tip is exquisite and decorative, easy to move and replace, and can be used at will. -The unique design and exquisite craftsmanship ensure its popularity and practicality. -With fine performance and price ratio, this gel pen refill is worth having and is suitable for daily writing. -There is no ink leakage, so you can use these gel Pen Refills with confidence. -A great birthday gift and stationery for teens, letting them study and draw pictures happily.Package list: 25 x Pen Refills