---
product_id: 639802409
title: "uni-Ball One P Bath Bomb Color Gel Ink Ballpoint Pen, 0.5mm Fine Point, M Peony, UMNSPT05M.66, 1 Count (Pack of 1)"
brand: "三菱鉛筆"
price: "$39.10"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/639802409-uni-ball-one-p-bath-bomb-color-gel-ink-ballpoint
store_origin: US
region: United States of America
---

# Metal tip stabilizer for smooth, stable strokes Uni-ball One Ink with darker blacks & fast drying 0.5mm fine point for precise writing uni-Ball One P Bath Bomb Color Gel Ink Ballpoint Pen, 0.5mm Fine Point, M Peony, UMNSPT05M.66, 1 Count (Pack of 1)

**Brand:** 三菱鉛筆
**Price:** $39.10
**Availability:** ✅ In Stock

## Summary

> 🖊️ Write Boldly, Feel Zen: The Pen That Elevates Every Word

## Quick Answers

- **What is this?** uni-Ball One P Bath Bomb Color Gel Ink Ballpoint Pen, 0.5mm Fine Point, M Peony, UMNSPT05M.66, 1 Count (Pack of 1) by 三菱鉛筆
- **How much does it cost?** $39.10 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/639802409-uni-ball-one-p-bath-bomb-color-gel-ink-ballpoint)

## Best For

- 三菱鉛筆 enthusiasts

## Why This Product

- Trusted 三菱鉛筆 brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Sustainable Style:** Compatible with Uni-ball One refills for long-lasting use, reducing waste while maintaining premium performance.
- • **Ink That Impresses:** Advanced Uni-ball One pigment ink ensures deep blacks, minimal bleed, and smudge-free writing every time.
- • **Comfort in Your Hand:** Ergonomic, compact stubby design with a subtle matte marble finish inspired by calming bath bombs.
- • **Effortless Portability:** Oval-shaped metal clip clips securely to planners and notebooks, blending style with convenience.
- • **Precision Meets Elegance:** 0.5mm fine point delivers crisp, clean lines for professional notes and creative flair.

## Overview

The uni-Ball One P Bath Bomb Color Gel Ink Ballpoint Pen combines a sleek 0.5mm fine tip with advanced pigment ink technology for darker, smudge-resistant writing. Its compact, ergonomic design features a matte marble pattern inspired by bath bombs, offering both style and comfort. Equipped with a metal tip stabilizer and an oval wire clip, this pen ensures smooth strokes and easy portability. Made in Japan and refill-compatible, it’s the perfect blend of luxury, functionality, and sustainability for everyday professionals.

## Description

Discover the Uni-ball One P gel ink pen, where adorable meets luxury in the palm of your hand. Inspired by the soothing world of bath bombs, this fine point pen introduces a fresh hue that evokes a healing aura each time you write. Its charmingly stubby form and subtle matte marble pattern are not only easy on the eyes but also ensure you'll never tire of its appearance. Designed with comfort and convenience in mind, the Uni-ball One P features a compact, round shape that fits snugly in your hand, perfect for those who value both style and ease of use. Despite its playful, minimalistic design, it does not compromise on quality. It includes a metal stabilizer mechanism at the pen tip, ensuring each stroke is smooth and stable, while its unique Uni-ball One Ink uses a proprietary 'beads-pack' pigment technology that enhances the clarity and vibrancy of the ink. This ensures that blacks are deeper and colors more vivid, making your writing not only beautiful but also memorable. The pen's quick-drying formula is engineered to prevent smudging and ink bleed, making it ideal for fast note-taking without the mess. Its innovative design includes a wide, oval-shaped metal wire clip that easily attaches to notebooks and planners, making it as functional as it is stylish. Whether you're jotting down a quick note or writing extensively in your journal, the Uni-ball One P is the perfect companion for those who appreciate a pen that blends seamlessly into their lifestyle while standing out with its distinctive, comforting design. Ideal for everyday use, this pen promises to be a delightful addition to your collection, inviting a moment of peace with every word you write. The Uni-Ball One P is a great addition to your home or office pens, gel pens for journaling, and aesthetic school supplies. 0.5mm Fine PointGel Ink (Black)19.2mm (0.7") x 13.9mm (0.5") x 116.8mm (4.6")13.7 g (0.5 oz) Quality Made in Japan.

## Features

- Unique color palette and subtle matte marble pattern inspired by relaxation and healing from soothing bath bombs; seamlessly integrates into everyday life and interior decor aesthetics.
- Featuring a cute, minimalistic form and a charmingly stubby shape, it's perfectly sized and weighted for a comfortable and effortless writing experience, and exudes adorable charm that makes writing fun.
- Utilizes advanced Uni-ball One Ink technology with a new pigment for darker blacks and minimal paper penetration, ensuring clear, non-smudging, and fast-drying writing that enhances the clarity and memorability of your notes.
- Incorporating a stabilizer mechanism in the metal tip ensures smooth and stable writing, while the oval-shaped open wire clip not only complements the compact design but also makes clipping onto notebooks and planners effortless.
- Boasting a compact, luxurious feel that fits easily in your hand and offers a pleasure to write with, this pen is compatible with Uni-ball One series refills for long-lasting use and consistent performance. Take it with you wherever you go.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | uni |
| Brand | 三菱鉛筆 |
| Model number | UMNSPT05M.66 |
| Product Dimensions | 11.68 x 1.92 x 1.39 cm; 13.7 g |
| Color | Black |
| Closure | Retractable |
| Grip Type | ergonomic grip |
| Material Type | Metal |
| Number of Items | 1 |
| Size | 1 Count (Pack of 1) |
| Point Type | Fine |
| Line Size | 0.5mm |
| Ink Color | Black |
| Manufacturer Part Number | UMNSPT05M.66 |
| Item Weight | 13.7 g |

## Product Details

- **Brand:** 三菱鉛筆
- **Writing instrument form:** Ballpoint Pen
- **Colour:** Black
- **Ink colour:** Black
- **Age range (description):** Adult

## Images

![uni-Ball One P Bath Bomb Color Gel Ink Ballpoint Pen, 0.5mm Fine Point, M Peony, UMNSPT05M.66, 1 Count (Pack of 1) - Image 1](https://m.media-amazon.com/images/I/41kgAWGJkxL.jpg)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-25*