# Pentel Refill Ink for RSVP Ballpoint Pen, BK91, 1.0mm Medium Line, 2-Pk Pouch

**Refill Ink for RSVP Ballpoint Pen, BK91, 1.0mm Medium Line, 2-Pk Pouch**

These premium ballpoint pen ink refills are designed exclusively for the BK91 RSVP ballpoint pen, featuring a precise 1.0mm medium line tip. Engineered for smooth and vibrant ink flow, each refill delivers consistent, clear writing for all your professional and everyday needs.

Running out of ink during important meetings or note-taking sessions can be frustrating and disruptive. Discover a hassle-free writing solution—these high-quality RSVP ballpoint pen ink refills guarantee long-lasting performance and reliability.

-   **Smooth 1.0mm Medium Line Tip**
-   **Consistent, Vibrant Ink Flow**
-   **Compatible with RSVP Ballpoint Pens**
-   **Convenient 2-Pack Pouch for Quick Replacements**
-   **Long-Lasting, Professional Quality**

Restore your favorite RSVP pen’s functionality instantly with this easy-to-use ballpoint pen ink refill set. Whether you’re jotting down notes in class, writing at work, or always on the go, these ink refills ensure your pen is always ready to perform.

Upgrade your everyday writing experience—add these premium RSVP ballpoint pen ink refills to your cart now, and enjoy smooth, reliable performance with every stroke.

## Details

- **Price:** 1.61 USD
- **Vendor:** Pentel of America, Ltd.
- **Type:** Pen Refills
- **Tags:** BTS 2025, Evergreen Sale, Sale, Tariffs Update 2025

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Violet | 1.61 USD | In stock |
| Blue | 1.61 USD | In stock |
| Red | 1.61 USD | In stock |
| Black | 1.61 USD | In stock |

## Images

- Two black medium line ink refills for RSVP ballpoint pen, packaged in a clear protective pouch for easy replacement and smooth writing experience.
- Black ink refill for ballpoint pen with a 1.0mm medium line tip, designed for smooth writing and premium performance in a sleek, durable design.
- Close-up of a black ink refill for a medium line ballpoint pen with a white plastic end, reflecting on a smooth surface, highlighting a premium writing tool accessory.
- Black ink refill for ballpoint pen with medium 1.0mm line size, designed for smooth writing and long-lasting use, ideal for premium writing tools.

---

> Source: [Pentel of America, Ltd.](https://www.pentel.com/products/refill-ink-for-bk91-rsvp-ballpoint-pen-medium-line-2-pk-pouch)
> Updated: 2026-11-02