Our blank ink tube pens offer the flexibility to use your preferred ink or paint. The durable construction ensures that the pens can withstand frequent use, while the refillable feature makes them friendly choice. These pens are suitable for a variety of artistic and writing applications, from sketching to calligraphy. Features -Color:White -Material:Fiber, PP -Size:13.50X1.50X1.50cm/5.31X0.59X0.59in -Sturdy materials: constructed from dependable materials, ensuring the pen's durability and reliability over time -Adaptable design: the refillable empty pen shell can accommodate various pen refills, such as markers, fine tip pens, and oil pens, for versatile use -Expressive graffiti: the blank pen offers a canvas for creativity, allowing you to create unique and expressive -Comfortable handling: the thickened pen barrel design enhances grip comfort, reducing hand fatigue during prolonged drawing sessions -Refillable ink: the selffill blank pen makes it easy to refill with ink, allowing for ink color choices Package list: 10 x refillable markers