A. Abundant Quantity You will receive 10 refillable paint pens with a 15 - millimeter/0.59 - inch nib. The sufficient quantity can meet your daily use and diverse painting needs, bringing more convenience to your painting experience. B. Easy to Use This empty paint marker is easy to fill with ink and paint. Simply remove the nib area, fill it with paint or ink, and then screw on the nib area to start painting. It is suitable for beginners or experienced users. C. Material The empty paint pen is made of polypropylene (PP) material. The nib is made of polyester and acrylic materials, and there is a steel ball inside. It is sturdy and reliable, and offers a smooth writing experience. D. Unique Design This refillable paint pen is transparent, which helps to control the ink volume and refill the ink in a timely manner. The steel ball inside the pen can mix the ink well, preventing watercolor or paint from solidifying and allowing you to enjoy a smoother writing experience. E. Wide Range of Applications The empty paint pen is suitable for filling with different paints or inks. You can fill the empty tube with your favorite different colors, such as artistic acrylic paints, watercolors, inks, dyes, etc. It is suitable for places like homes, schools, and painting classes, and is a practical tool for students and painters. F. Color Transparent G. Material Plastic H. Package Contents 10 empty acrylic markers Only the above - mentioned package contents are included, and no other products are included. I. Precautions Light reflection and different monitors may cause slight differences between the color of the items in the picture and the actual objects. The allowable measurement error is ±1 - 3 centimeters.