Quick verdict
The main question with a refillable brush pen set is whether you already work with watercolor ink or liquid color. If you do, this refillable paint brush pen set at USD 9.97 gives you reusable tools with nylon fiber tips and flow control. If you are hoping for pens you can uncap and draw with immediately, this set will feel incomplete until you load the barrels yourself.
Who it suits
Artists who mix their own washes, hobbyists who paint ceramics, pottery, or furniture, and crafters who decorate handmade gifts, fashion accessories, or even food all have a reason to look at this set. It also suits anyone who wants to keep several colors loaded and ready in separate pens without buying disposable markers.
What stands out
Each pen uses nylon fiber brush tips that are designed to stay intact and keep watercolor or ink from spraying, spreading, or smearing while in use. The barrel can be squeezed so you control the flow of ink or water, which makes this more like a refillable brush system than a basic marker. The pens are refillable, so you can load them with exactly the color mix you need. The pen length is about 18 cm, a practical working size for painting sessions.
Meaningful trade-offs
The trade-off is that you need to fill the barrels with your own watercolor ink or diluted paint before the pens become useful, so this set works best for someone who already has supplies. On the positive side, that design gives you freedom: you can load each pen with a different color and adjust the amount of water to match your project.
Bottom line
If you want a ready-to-use drawing pen, this is not the set for you. If you want a flexible, reusable brush pen option and already use liquid watercolor or ink, this Refillable Paint Brush Pens set is a practical buy at USD 9.97. The brush tips, flow control, and refillable design make it a useful addition to your art supplies.
10 PC Refillable Paint Brush Pens Water Color Pencil Soft Watercolor Ink Empty

The reason to choose this set is its refillable, adjustable nature: brush pens you can load with your own ink or watercolor and fine-tune by controlling the flow. The limitation is that the pens arrive unfilled, so you must have your own liquid color on hand before you can start painting. For artists who already mix custom washes, that trade-off is worth it.