Precise, skip-free writing
The 0.5mm ST double-bead tip delivers clean, consistent lines for notes, signatures, and everyday tasks.
- Free shipping
- 14-day easy returns
- Secure checkout
- Quality guaranteed
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Why customers love it
Sleek retractable gel pen for effortless everyday writing
The KACO POPUP is a sleek, side-press retractable gel pen designed for effortless, smooth writing. With a fine 0.5mm tip and quick-drying ink, it’s perfect for everyday notes, signatures, and school or office work.
- 0.5mm ST double-bead tip for precise, skip-free lines
- Quick-dry gel ink reduces smudging, ideal for left- or right-handed writers
- Convenient side-press mechanism for one-handed operation
- Refillable design with replaceable ink cartridges for long-term use
- Comfortable, lightweight plastic body for extended writing sessions
- Durable clip keeps the pen secure in pockets or notebooks
Why you'll love the KACO POPUP
Quick-dry gel ink
Smudge-resistant ink dries fast, making it ideal for both left- and right-handed writers.
One-handed operation
The convenient side-press mechanism lets you retract the tip with a single click, no twisting required.
Refillable for the long run
Replaceable ink cartridges extend the pen's life, so you can keep writing without buying a new pen.
Specs
The details that matter
Built to last outdoors, season after season.
- Tip size
- 0.5mm
- Ink type
- Gel
- Mechanism
- Side-press retractable
- Refillable
- Replaceable ink cartridges
- Body material
- Plastic
Comparison
KACO POPUP vs. a standard disposable pen
Not all products in this category are built the same.
Feature
SmartPicksWorld
Typical alternative
Tip precision
0.5mm ST double-bead tip for precise, skip-free lines
Basic round tip that can skip or drag
Ink drying
Quick-dry gel ink reduces smudging for left- or right-handed writers
Slow-drying ink that smudges easily
Operation
Convenient side-press mechanism for one-handed use
Twist or cap design requiring two hands
Refillability
Refillable with replaceable ink cartridges for long-term use
Disposable, replaced after ink runs out
Clip durability
Durable clip keeps the pen secure in pockets or notebooks
Flimsy clip that can bend or break
Our worry-free shopping promise
If your order arrives damaged, defective, or not as described, contact us within 14 days and we will make it right with a replacement or refund.
Frequently asked questions
Everything you might want to know before you order.
What tip size does the KACO POPUP gel pen have?
The KACO POPUP features a 0.5mm ST double-bead tip, which delivers precise, skip-free lines for clean writing.
Is the ink quick-drying?
Yes, the KACO POPUP uses quick-dry gel ink that reduces smudging, making it ideal for both left- and right-handed writers.
How does the retractable mechanism work?
The pen uses a convenient side-press mechanism, allowing you to retract the tip with one hand for quick, easy operation.
Can the pen be refilled?
Yes, the KACO POPUP is refillable with replaceable ink cartridges, so you can keep using the same pen for a long time.
Is the pen comfortable for long writing sessions?
The KACO POPUP has a comfortable, lightweight plastic body that supports extended writing sessions without fatigue.
Does the pen have a clip?
Yes, it includes a durable clip that keeps the pen secure in pockets or notebooks when not in use.
Shipping & returns
Shipping
- Delivers to United States (based on your selected country/region).
- Estimated delivery: 3–15 business days after dispatch.
- Shipping cost: Free.
Returns
You can request a return within 14 days after delivery. Standard returns have a €4.00 EUR (approximately $4.66 USD) flat-rate return shipping fee, deducted from your refund. Return shipping is free for items that arrived damaged, defective, or incorrect. Items should be unused and in original packaging where possible. Contact us before sending anything back.