Features: Reusable 4.5mm tip paint marker with replaceable fiber tip enables precisely detailing for acrylic art project, featuring inks levels window and permanent inks flowing control through its porous tip designs. Crafted from PP, this clear refillable empty marker pen combines waterproof construction with portable convenience, offering artists multifunctional painting tool for controlled inks release and tip replacement flexibility. Sutiable for illustrators, beginner, adult, student, children, and professional artists seeks refillable acrylic paint pen for sketching, or intricate mixed pigament project requiring consistently line work. Widely used for studio drafting, travel sketching, acrylic painting, watercolor painting, or home crafting project where portable refillable acrylic paint pen application and controlled fluid dispensing enhances creative crafting project. Elevates your artistic expression with this refillable empty marker that reduces waste through reusable components, delivering professional result in drawing, fabric drawing, technical drawing, and art illustrations through optimized inks viscosity management. Specifications: Color: Clear Component: ABS Pen Tip: 4.5mm Size: Approx. 137x17mm/5.39x0.66in Weight: Approx. 60g Package Includes: 5Pieces Empty Marker Pen note: 1.Please allow 0-1cm error due to manual measurement. Be sure you donot mind before bid. 2.Due to difference between different monitors, the picture may not reflect the actual color