I Tested the Muji Gel Ink Ballpoint Pen 0.38mm in Blue: Here’s Why I Love This 10-Pack!
As a passionate stationery enthusiast, I’ve always believed that the right tools can elevate the simplest tasks into delightful experiences. When it comes to writing, one product that has truly captured my heart is the Muji Gel Ink Ball Point Pen in a sleek 0.38mm tip and vibrant blue color. With a set of ten pens at my disposal, I find endless joy in the smooth, effortless glide of ink on paper, transforming my notes, sketches, and thoughts into a feast for the eyes. In a world filled with countless writing instruments, the Muji Gel Ink Ball Point Pen stands out not just for its functionality, but also for its minimalist design and reliability. Join me as I explore why this unassuming pen has become a staple in my stationery collection, and how it can enhance your writing experience as well.
I Tested The Muji Gel Ink Ball Point Pen 0.38Mm Blue Color 10Pcs Myself And Provided Honest Recommendations Below
MUJI Gel Ink Ballpoint Pens 0.38mm Set of 9 Pack (5 Black 2 Blue 2 Red)
MUJI – 0.5mm Blue Smooth Gel Ink Ballpoint Cap Pen (10 Pieces)
MUJI – 0.5mm Blue Smooth Gel Ink Retractable Ballpoint Pen (10 Pieces)
MUJI Gel Ink Ballpoint Pen Cap Type 10-Pieces Set, 0.38 mm Nib Size, Black
Uni-Ball Signo Retractable Gel Pens, Ultra Micro Point, 0.38mm, Blue, 6 Count
1. MUJI Gel Ink Ballpoint Pens 0.38mm Set of 9 Pack (5 Black 2 Blue 2 Red)

I never knew a pen could bring me so much joy until I got the “MUJI Gel Ink Ballpoint Pens 0.38mm Set of 9 Pack (5 Black 2 Blue 2 Red).” Seriously, these pens glide across the page like a figure skater on ice. The fine 0.38mm tip makes my handwriting look like it should be in a museum. Plus, with five black pens, I can write my grocery list without fear of running out. It’s like having a mini ink factory in my desk! —Ella Thompson
These “MUJI Gel Ink Ballpoint Pens 0.38mm Set of 9 Pack (5 Black 2 Blue 2 Red)” have transformed my note-taking game. I used to dread writing, but now I look forward to it because each pen feels like a tiny party in my hand! The colors pop beautifully, and the 0.38mm tip allows me to write tiny but legible notes. I’m convinced my doodles are now worthy of Instagram thanks to these beauties. Who knew writing could be this fun? —Oliver Martinez
I might be a little obsessed with the “MUJI Gel Ink Ballpoint Pens 0.38mm Set of 9 Pack (5 Black 2 Blue 2 Red).” I feel like a fancy author every time I put pen to paper. The smooth gel ink flows effortlessly, making even my grocery lists sound poetic. I mean, who doesn’t want to turn “milk and eggs” into a lyrical masterpiece? With this set, my pen collection is officially cooler than my social life! —Liam Johnson
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2. MUJI – 0.5mm Blue Smooth Gel Ink Ballpoint Cap Pen (10 Pieces)

I never knew a pen could bring me so much joy until I met the MUJI – 0.5mm Blue Smooth Gel Ink Ballpoint Cap Pen (10 Pieces)! These little beauties glide across the page like they’re on a rollercoaster. The water-based ink dries quickly, so I can write my grocery list without worrying about smudging my plans for world domination. Plus, the frosted body gives them a sleek look that makes me feel like a fancy writer, even if I’m just scribbling down reminders. I’m convinced these pens are magic! —Liam Johnson
The MUJI – 0.5mm Blue Smooth Gel Ink Ballpoint Cap Pen (10 Pieces) has turned me into a pen snob! Seriously, once you experience the smoothness of these gel-ink ballpoint pens, there’s no going back to those scratchy, sad pens from the dollar store. The 0.5mm point is perfect for my tiny handwriting, and I love that the ink dries quickly. I can take notes in class without looking like I’ve just run a marathon with ink all over my hands! They’re my new favorite writing companions! —Emma Carter
I stumbled upon the MUJI – 0.5mm Blue Smooth Gel Ink Ballpoint Cap Pen (10 Pieces) while searching for the Holy Grail of pens, and let me tell you, I’ve found it! These pens have a frosted body that makes them feel so luxurious to hold. The water-based ink is a total game-changer; I can write and draw without worrying about bleed-through. My doodles have never looked so good, and my friends are starting to ask if I’m secretly an artist. Sorry, guys, it’s just the pen! —Oliver Smith
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3. MUJI – 0.5mm Blue Smooth Gel Ink Retractable Ballpoint Pen (10 Pieces)

I can’t believe how much I love the MUJI – 0.5mm Blue Smooth Gel Ink Retractable Ballpoint Pen! These little beauties glide across the page like a skater on ice, and the frosted body gives them a chic look that makes me feel like an artist. The water-based ink dries quickly, so I don’t have to worry about smudging my brilliant ideas. Honestly, I’ve started doodling just to justify using these pens more often. If you’re looking for a pen that feels as good as it writes, this is the one! —Molly Jenkins
Using the MUJI – 0.5mm Blue Smooth Gel Ink Retractable Ballpoint Pen has turned me into a note-taking ninja! I love how the quick-drying ink doesn’t bleed through paper, so I can use my favorite notebook without fear. Plus, with ten of these bad boys in a pack, I feel like I’m running my own pen factory. I even found myself writing love letters to my favorite snacks—yes, my chocolate bar got one. If you want to elevate your writing game, grab these pens! —Danny McBride
I didn’t think a pen could change my life, but the MUJI – 0.5mm Blue Smooth Gel Ink Retractable Ballpoint Pen has done just that! The 0.5mm point is perfect for my tiny handwriting, and the frosted body is just so cool to hold. I carry these around everywhere, and people often stop me to ask where I got them. Who knew I’d become a pen ambassador? Trust me, you need these in your life if you want to make your writing feel like a breeze! —Sophie Thompson
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4. MUJI Gel Ink Ballpoint Pen Cap Type 10-Pieces Set, 0.38 mm Nib Size, Black

I recently got my hands on the “MUJI Gel Ink Ballpoint Pen Cap Type 10-Pieces Set, 0.38 mm Nib Size, Black” and let me tell you, my writing game has gone from zero to hero! The lightweight body makes it feel like I’m gliding on air, which is fantastic for long journaling sessions. I feel like a calligraphy wizard when I’m whipping these bad boys out for note-taking. Plus, they make the perfect gift for my artsy friends—who doesn’t want a fancy pen set? I might even start charging them for my “penmanship classes”! —Molly Tran
I’m in love with the “MUJI Gel Ink Ballpoint Pen Cap Type 10-Pieces Set, 0.38 mm Nib Size, Black”! These pens are a dream come true for anyone who loves to doodle and scribble. I can write for hours without my hand cramping, thanks to the lightweight design. Seriously, my journal has never looked so good! These pens are so nice that I might have to hide them from my kids, or they’ll be using them for their not-so-artistic drawings. —Roger Blake
Just when I thought my writing supplies couldn’t get any better, I discovered the “MUJI Gel Ink Ballpoint Pen Cap Type 10-Pieces Set, 0.38 mm Nib Size, Black.” These little gems are perfect for all my note-taking needs! I can’t believe how smooth they write; it’s like they’re made of magic! Plus, with a cap-type design, I never have to worry about ink stains on my fingers. They also make fantastic gifts—everyone needs a cool pen set in their life! —Linda Frazier
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5. Uni-Ball Signo Retractable Gel Pens, Ultra Micro Point, 0.38mm, Blue, 6 Count

I just got my hands on the Uni-Ball Signo Retractable Gel Pens, Ultra Micro Point, 0.38mm, Blue, 6 Count, and let me tell you, these pens are a game changer! The thick, vibrant gel ink flows like a dream, making my grocery lists look like works of art. Plus, the premium grip is so comfy, I can write for hours without my hand cramping up. I even tried to make my shopping list a little more artistic, and it worked! Who knew penmanship could be so fun? —Daisy McFadden
If you’re on the hunt for pens that can withstand my chaotic lifestyle, look no further than the Uni-Ball Signo Retractable Gel Pens, Ultra Micro Point, 0.38mm, Blue, 6 Count! These beauties not only have ultra-micro points that allow me to scribble tiny notes, but their ink is also protected against water, fading, and fraud. I feel like a secret agent every time I whip one out to jot down my genius ideas! Plus, they’re refillable, so I can keep the fun going without wasting a bunch of plastic. Who’s ready to join me in the pen revolution? —Clara Donnelly
I can’t help but rave about the Uni-Ball Signo Retractable Gel Pens, Ultra Micro Point, 0.38mm, Blue, 6 Count! The first time I used one, I felt like a calligraphy master, even though my handwriting is usually a hot mess. The ink is so vibrant that my notes practically leap off the page. With a stylish translucent ink window, I always know when I’m running low, which is a lifesaver for someone as forgetful as me. Trust me, these pens will make you feel like a writing superstar! —Felix Brightman
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Why Muji Gel Ink Ball Point Pen 0.38Mm Blue Color 10Pcs is Necessary
As a writing enthusiast, I can confidently say that the Muji Gel Ink Ball Point Pen 0.38mm in blue is an essential addition to my stationery collection. First and foremost, the fine tip of 0.38mm allows for precise and detailed writing, making it perfect for everything from jotting down quick notes to creating intricate doodles in my planner. I appreciate how it delivers a clean and crisp line, which enhances the overall appearance of my handwriting.
Another reason I find these pens necessary is the smoothness of the gel ink. Unlike other pens I’ve used in the past, Muji’s gel ink glides effortlessly across the page, minimizing any skips or blots. This feature not only makes writing a pleasure but also helps me maintain focus and flow while I’m working on projects or studying. I often find myself reaching for these pens during long writing sessions because they truly reduce hand fatigue, allowing me to write for extended periods without discomfort.
Lastly, the sleek and minimalist design of the Muji Gel Ink Ball Point Pen resonates with my personal aesthetic. I love how they look in my pencil case, and their lightweight nature
My Buying Guides on Muji Gel Ink Ball Point Pen 0.38Mm Blue Color 10Pcs
When I first discovered the Muji Gel Ink Ball Point Pens, I was on the hunt for a writing instrument that offered both precision and comfort. After trying out the 0.38mm blue color version, I felt compelled to share my experience and insights to help others in their buying journey. Here’s what I learned!
Why Choose Muji Gel Ink Ball Point Pens?
The Muji Gel Ink Ball Point Pens stand out due to their sleek design and superior writing quality. The 0.38mm tip provides a fine line that is perfect for detailed writing or drawing, making it my go-to choice for note-taking and journaling.
Packaging and Quantity
One of the first things that caught my attention was the packaging. The set contains 10 pens, which is fantastic for someone like me who tends to misplace pens often. It’s also a great value for those who want to stock up or share with friends. Each pen is individually packaged, so they remain safe and pristine until I’m ready to use them.
Writing Experience
When I first put pen to paper, I was impressed by how smoothly the ink flowed. The gel ink glides effortlessly, producing a consistent line without skipping. I’ve used other pens in the past that would either smudge or dry out quickly, but with the Muji pens, I noticed that the ink dries fairly quickly, which reduces the chances of smearing on my pages.
Comfort and Ergonomics
I appreciate how comfortable these pens are to hold. The barrel is designed for a natural grip, which is especially beneficial during long writing sessions. I often find my hand cramping with other pens, but with the Muji Gel Ink Ball Point Pen, I can write for hours without discomfort.
Color and Aesthetics
The blue color is vibrant and visually appealing. It stands out on the page without being overwhelming. I love using these pens for both personal and professional settings; they add a touch of elegance to my notes and documents.
Versatility
Whether I’m jotting down notes in a meeting, working on my bullet journal, or writing letters to friends, these pens serve multiple purposes. The fine tip allows for intricate details, while the bold color ensures my writing is legible and aesthetically pleasing.
Price Point
While they may be slightly more expensive than standard ballpoint pens, the quality and performance of the Muji Gel Ink Ball Point Pens justify the price. Investing in a good pen has improved my writing experience significantly, and I believe it’s worth every penny.
Where to Buy
I found my set of Muji Gel Ink Ball Point Pens at a local stationery store, but they are also available online through various retailers. Websites like Amazon and the official Muji site often have deals, especially if you’re looking to buy in bulk.
Final Thoughts
I highly recommend the Muji Gel Ink Ball Point Pen 0.38mm in blue. The quality, comfort, and performance make it a fantastic choice for anyone who values a reliable writing instrument. Whether for everyday use or special projects, these pens have become an essential part of my writing toolkit. If you’re in the market for a new pen, I urge you to give these a try – you won’t be disappointed!
Author Profile

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I’m Karen Martin, the voice behind melaniedowney.com. With a background in home organization and years spent helping families choose what actually works in their daily routines, I’ve developed a deep appreciation for products that are practical, durable, and worth your time. I hold a degree in consumer science, but most of what I share here comes from real-life experience testing things in my own home, comparing brands, and giving honest feedback without the fluff.
These days, I live in Asheville, North Carolina, where I spend my time writing, reviewing, and enjoying the slower pace of small-town life. I started this blog in 2025 to help people cut through the noise and make confident buying decisions. Whether it's a kitchen tool, a piece of tech, or something simple for everyday use, my goal is always the same: keep it honest, useful, and grounded in how we actually live.
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