Ideal for classroom settings, these practical paint marker nibs are essential for teachers and students alike. Use them to replace worn-out tips on whiteboard markers or paint pens, ensuring that your writing and drawing tools are always ready for use. The easy-to-change design makes maintenance quick. Features -Color:White -Material:Polyester fiber -Size:2.30X0.45X0.45cm/0.90X0.18X0.18in -Excellent material: constructed from Excellent polyester fiber, these pen nibs are resistant to damage and offer reliable performance -Convenient empty barrel: the empty pen barrel design makes it easy to replace wornout nibs, enhancing the longevity of your paint markers -Ample supply: this pack of replacement nibs ensures you have plenty of spares on hand for continuous use -Simple to use: installation is a breeze—just insert the new nib into the pen barrel and you're ready to go, saving you time and effort -Multisurface compatibility: these tips are designed to work on a variety of surfaces, making them ideal for diverse creative and practical applications Package list: 20 tip accessories