A. Rich Quantity: You will receive 10 pieces of refillable paint pens with a tip of 15mm/0.59 inches, a quantity that can meet your daily use and diverse painting needs. It may bring more convenience to your painting experience. B. EASY TO USE: This empty paint marker pen can be easily filled with ink and paint. Just remove the tip area, fill it with paint or ink, then screw the tip area back to start drawing. It is suitable for beginners or experienced individuals. C. Material: The empty paint pens are made of PP material, and the pen tip is made of polyester and acrylic material, with a steel bead inside. It is reliable and sturdy, which may provide you with a smooth writing experience. D. Unique Design: This fillable paint pen is transparent, which helps to control the amount of ink and refill the ink in time. The steel ball in the pen can mix the ink well, which may prevent the watercolor or paint from solidifying and allow you to enjoy smoother writing. E. Wide Application: The empty paint pens are suitable for filling different paints or inks. You can fill the empty tubes with different colors you like, such as art acrylics, watercolors, inks, dyes and more. It is suitable for use at home, school, painting classes and other places. It is a practical tool for students and painters. F. Color: Transparent G. Material: plastic H. Package Contents: 10 x Empty Acrylic Markers Only the above package content is included, other products are not. Note: Light reflection and different displays may cause the color of the item in the picture to be a little different from the real thing. The measurement error allowed is +/- 1 - 3cm.