About this item [7 Styles To Choose]: Refillable markers feature 7 different designs, with various sizes and shapes, like beveled, flat, round and so on, giving you multiple choices, and you can choose them depending on your preference or actual demands, satisfy your assorted needs. [Easy Operation]: Refillable acrylic paint markers are easy to fill with color, simply remove the nib area of the pen, place the steel ball in the pen tube, fill it with paint or ink, and screw the nib back to begin writing; The operation process is simple and convenient, and won't take up too much of your time and energy. [Transparent & Convenient]: White touch up pen has a transparent empty pen tube, convenient for you to see it through, master the amount and add ink in time; Please note that you should put the steel ball into the pen tube first, then inject with ink, and finally twist the pen head part tightly to write. [Diversified Stuffed Contents]: our empty paint pens are well favored by children and painting amateurs, feasible to be stuffed with some ordinary ink, water, oil paint, liquid chalk and other watercolor, bringing your leisure time a splash of color; Be careful not to use very thick liquid filling, which may cause the nib not to flow out or unevenly. [Durable]: Pen tube of the empty paint pen is made of quality PP material, sturdy and firm, will not break or deform easily, can satisfy your long term needs, with skillful workmanship, smooth to touch, providing you with a comfortable using experience; And the nib is made of polyester and acrylic, reliable and serviceable. Packaging: A 7-piece set of empty Pen Shell Paint Pen.