Features: Experience effortless creativity with these 10 pack refillable marker pen barrels, featuring a user friendly filling design for seamless acrylic paint or paint pen refills without tools or expertise. From ABS plastic, these empty marker barrels combine lightweight portability with precise tip that ensures smooth flowing for consistent results. Designed for artists, students, teachers, and Denthusiasts seeking customizable coloring tools for detailed illustrations, classroom projects, or craft workshops. Ideal for art studios, classrooms, and outdoor sketching, supporting multiple liquid mediums while promoting practices through reusable design. Each leak proof barrels ergonomic grip and interchangeable compatibility with various pigments empowering limitlessly artistic expression across paper, canvas, and chalkboard surfaces. Specifications: Items：Marker Pen Barrels Component: Plastic Size: Total length 142mm/5.6in Type: Round head / Offset head Attributes: Transparent design facilitates observation of residues, suitable for auto filling of acrylic pigments and paint pen Support multiple reuse,friendly and nomical, easy to disassemble and clean Suitable for various occasions such as artistic creation, teaching demonstration, manual Package Includes: 1PC Mark pen empty Barrels note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.