• KEFILL double ballpoint tip refill for smooth writing.
• Designed with a low center of gravity, providing a solid foundation for writing.
• Internal rotary structure reduces internal components scattering.
• Matte finish and non-slip concave point grip design for comfortable hold.
• Refill: 0.5mm KEFILL Bullet tip black refill.

• Simple design, showing the beauty of writing, achieving spiritual art.
• Four-color ink: black/blue/dark blue/red, more choices, more free writing.
• The translucent milky white pen body is matched with components of the same color as the ink.
• KEFILL innovative self-developed refills, quick-drying ink + double ballpoint pen tip
• The writing angle of the KEFILL double ballpoint pen tip is as low as about 48°, which can also ensure smooth writing.
• Double writing length is about 800 meters (+/-10%), which is twice the standard requirement.
• Large capacity and longer lasting battery life, long-term writing companion.
• Practical pen models, with a variety of ink colors to meet different usage needs.
• Press-type core ejection, efficient writing, one-click writing
• Anytime, anywhere, one-click writing, no need to wait, making writing more efficient and convenient.

• DuraBall pen tip, both the good writing of needle tip and the stability of bullet tip.
• Pigment ink is used for smooth writing, rich and bright color.
• The writing distance of a single pen is about 1600 meters, which is 4 times the writing length of ordinary gel pen.
• The pen holder is designed in one piece, and there is no need to replace the refill.
• Excellent water and light resistance, with high-quality paper, keeps the handwriting as good as new.
• The pen barrel adopts matte texture, delicate touch and non-slip, comfortable to hold and non-slip.

• KEFILL Bullet double ballpoint tip for smooth writing.
• Double writing length of about 800 meters.
• Pigment Ink for quick-drying.
• Soft rubber grip design for comfortable grip.
• Refill: 0.5mm Bullet tip black refill.

• High-quality pigment ink, writing without smudging and bleeding.
• KEFILL double ballpoint refill for smooth writing experience.
• Each pen body is made from 100% recycled plastic certified by GRS.
• Double writing length of 800 meters.
• Refill: 0.5mm black refill.

• Break the traditional desktop pen mode, integrating fun, cuteness and style.
• Adopt KEFILL double ballpoint pen head, feel double smooth experience, not easy to leak ink.
• Use pigment ink, the pen can achieve quick drying effect, reduce the trouble of dirty hands.
• Double writing length is about 800 meters (+/-10%), which is twice the standard requirement.
• The heavy lollipop sphere base design and the fun swing of the tumbler.
• Colorful macaron color design, the mood blooms with colors and awakens potential energy

• KACO’s design concept is combined with SMILEY WORLD’s optimistic spirit to jointly convey the beautiful vision of “writing happily and living hard”.
• The pen provides a shortcut to self-expression with rich emoticons, becoming a spiritual companion for people to pursue happiness and release stress.
• The pen comes with a funny smile and controls the cheerful writing mode.
• Double bead elastic pen head for easy writing: POPUP neutral pen uses KACO’s self-developed new generation ST pen core, with a thin elastic pen head, making writing easier.
• The writing set can be used in offices, schools, companies, homes, neighbors, students, colleagues, family, friends and other occasions.

Note: Due to blind packaging context, you may receive any smiley face design.

• FRICTION ERASURE: Clean correction with no trace left behind.
• DURABILITY: Writing length is approximately 800 meters.
• ERASABLE RUBBER TIP: Equipped with a built-in thermosensitive erasable rubber tip.
• SMOOTH WRITING: Innovatively developing a double-ballpoint pen tip technology for smooth writing.
• SPECIAL THERMOCHROMIC INK: Special thermochromic ink lets your writing change with temperature variations. When heat (≥65°C), the writing gradually ‘disappears.’ When cold (≤-10°C), the ‘disappeared’ writing reappears.
• SELF-DEVELOPED BULLET-TIP REFILL: Featuring a double-ballpoint design for smooth writing. The broader writing angle makes it suitable for a wider range of users.
• SEMI-TRANSPARENT BARREL: The semi-transparent barrel provides a clear view of the ink level, while the slim design saves storage space.
• SLIM MATTE BARREL: The matte texture provides an anti-slip grip for writing. The slim barrel allows for easy storage, saving spa.

• High-quality oil-based ink ensures smooth writing, not easy smudging.
• Designed with a low center of gravity, providing a solid foundation for writing
• Internal rotary structure reduces internal components scattering.
• Matte finish and non-slip concave point grip design for comfortable hold.
• Refill: 0.5mm Bullet tip refill.