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🖤 Write Bold. Write Brilliant. Never Miss a Line.
The uni-ball Eye Envelope 5-pack features premium 0.7mm fine nib rollerball pens with fade- and water-resistant black liquid ink. Designed with an ergonomic barrel for comfort and a transparent ink window for monitoring levels, these pens deliver smooth, skip-free writing with quick-drying ink—perfect for professionals, students, and creatives seeking reliable, stylish performance.









| ASIN | B07WT396P6 |
| Age Range Description | Adult |
| Age range (description) | Adult |
| Best Sellers Rank | 2,658 in Stationery & Office Supplies ( See Top 100 in Stationery & Office Supplies ) 88 in Gel Ink Rollerball Pens |
| Body Shape | Cylindrical |
| Brand | uni-ball |
| Brand Name | uni-ball |
| Closure Type | Click-Off Cap |
| Colour | Black |
| Customer Reviews | 4.7 out of 5 stars 2,398 Reviews |
| Drill Point | Fine |
| Grip Type | Smooth |
| Ink Base | Water |
| Ink Colour | Black |
| Ink colour | Black |
| Is the Product Left or Right Handed? | Ambidextrous |
| Item Type Name | Rollerball Pen, Eye Pen |
| Line Size | 0.7 millimeters |
| Manufacturer | Mitsubishi Pencil Co |
| Manufacturer Contact Information | Mitsubishi Pencil Company, Unit 3, Murdoch Court, Knowlhill, Milton Keynes, MK5 8GH. Mitsubishi Pencil Europe, 32 avenue Pierre Grenier, 92100 Boulogne-Billancourt, France. |
| Material | Plastic |
| Material Type | Plastic |
| Model Name | UB-157 Eye |
| Model Number | 238212080 |
| Recommended Uses For Product | Colouring, Drawing, Sketching, Writing |
| Special Features | Waterproof |
| Style | Black (5pc Set) |
| Writing instrument form | Roller Ball Pen |
S**S
Good pens
The Uni-ball UB-157 Eye Black Rollerball Pens have proven to be a delightful addition to my writing arsenal. This 5-pack offers a consistent and smooth writing experience that effortlessly glides across paper, making it a joy to put pen to paper. One of the standout features of these pens is the precision of the 0.7mm tip. The fine point allows for neat and controlled writing, making it ideal for both note-taking and creative endeavors. The lines are crisp, clean, and free from any smudging, creating a professional finish that is sure to impress. The ink quality is exceptional, providing rich, bold lines that stand out on the page. The "eye black" color is not only sleek but adds a touch of sophistication to the writing experience. The ink dries quickly, reducing the risk of smearing, and remains vibrant over time. The design of the pen is both ergonomic and stylish. The contoured barrel fits comfortably in hand, ensuring a fatigue-free writing session even during extended use. The transparent window on the barrel allows you to monitor the ink level, preventing any unexpected interruptions in your writing flow. Durability is another strong point of the Uni-ball UB-157 pens. The sturdy construction of the pen ensures that it can withstand the rigors of everyday use without sacrificing performance. The cap clicks securely into place, preventing any unfortunate leaks or accidental openings when carried in a pocket or bag. In conclusion, the Uni-ball UB-157 Eye Black Rollerball Pens combine style, precision, and durability to deliver an exceptional writing experience. Whether you're a student, professional, or creative enthusiast, this 5-pack is a wise investment that will elevate your pen game to new heights. Uni-ball continues to impress with their commitment to quality, making the UB-157 a standout choice for discerning pen enthusiasts
E**S
Practically perfect pens. Excellent ink, consistent, don't blob or skip or dry out. Last for ages
Brilliant pens. I've bought dozens over the years and they are as good as they have ever been. Good ink density, so you can always read what you have written. Consistent flow so you get consistent lines, of the same thickness. Contain lots of ink so they last for ages. Somehow, magically, the pens don't dry out if you leave the caps off = still ready to go the instant you put pen to paper. They're available in a wide variety of colours, but I mostly buy black and blue. They're also available in a range of tip sizes, which are a bit confusing. Is micro thinner than fine? I always need to check. Seriously good pens that work all the time, with no blobs or gaps or tantrums. Fairly expensive but you can often find bargain packs that take the price down a bit.
C**P
“Smooth Writing, Feels Premium”
I’ve been using these pens for work and they write really smoothly. The black ink is dark and consistent, and the fine tip makes notes and sketches precise. Feels nice in the hand too. Definitely a step up from standard pens!
S**A
Perfect except price
Great but even in bulk they're kinda pricey than I feel they need to be
S**Z
Good pens. Nice black ink
These are good pens. They make it look like you are writing in real ink rather than a biro, if that makes sense. They are comfortable to write with and the ink flows nicely. The only problem I had is when writing in a birthday card that had more of a shiny finish - the ink didn't dry so well and the writing was a bit smudged. However, that wasn't a fault with the pen, just an issue with the card, so probably best to check what you're writing on first. All in all, I am happy with these pens.
B**K
Perfect ink flow
A perfect gel pen: just the right amount of gel ink, no smudge, soft and precise. My favourite pen of all time, effortless writing. Dries very quickly. Lasts a long time.
�**�
Great product
Have been writing non stop since I got these, the quality is amazing and definitely worth the money, although I do recommend leaving to dry or blowing as it can smudge, the ink flow is good at the start but if the pen is used for to long or left with no lid it can get mediocre
S**E
Great pens, just dont use on glossy paper
These are pretty much the only pens I use at work, they give thick solid black lines and are nice to use. one thing i will mention is that they are quite 'inky' and are unsuitable for writing on glossy paper or on plastics, as the ink will smudge and wont dry properly.
J**9
Great for sketching
I bought these for urban sketching. They’re bold and flow consistently
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