Features: This 8piece set of refillable acrylic paint pens empty tube features innovative easy fill design that allows users to effortlessly reload various acrylic colors, eliminating frequent replacements while maintaining consistent artistic workflow for creators. Crafted from durability plastic, these lightweight art markers combine environmental consciousness with practical portability, equipped with precise flows control to prevent leakage during detailed illustrations or casual writing. Ideal for professional artists seeking studio grade tools, students attending art classes, and enthusiasts crafting home decorations, these versatile markers adapt to diverse creative needs across skill levels. Perfect for intricate canvas paintings, vibrantly wall murals, or everyday journaling tasks, these refillable markers deliver reliability performances in studios, classrooms, and home craft stations with messfree operate. Engineered with ergonomic grips and wide compatibility across acrylic paint brands, these art markers transform prolonged creation into comfortable experiences while reducing waste through reusable functionality. Specifications: Component: Plastic Total length: Approx.131mm/5.16in Diameter: Approx.11mm/0.43inch Color: Black Package Includes: 1set/8pcs Acrylic Pen Empty Tube note: Please allow 1-10mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.