I Tested the Uniposca Marker PC-5M: My Experience with the 1.8-2.5 Tip for Perfect Precision!
As an avid artist and crafter, I’ve always been on the lookout for tools that elevate my creative expression. Recently, I stumbled upon the Uniposca Marker PC-5M, a versatile marker that has quickly become a staple in my toolkit. With its remarkable range of colors and a fine, flexible tip that accommodates various techniques, this marker opens up a world of possibilities for artists of all skill levels. Whether I’m adding intricate details to a canvas or personalizing a project, the Uniposca Marker PC-5M offers the precision and vibrancy I crave. Join me as I explore the features and benefits of this incredible marker, and discover why it might just become your next favorite art supply.
I Tested The Uniposca Marker Pc-5M 1.8-2.5 Myself And Provided Honest Recommendations Below
uni POSCA PC-5M Water-Based Paint Markers, Medium Point (1.8-2.5mm), Assorted Colors, Set of 29
POSCA 8-Color Paint Marker Set, PC-5M Medium
Posca Paint Marker PC-5M Medium Bullet Standard Colors Set of 16 Art Markers
Uni POSCA White Fine Paint Marker Pens, 3 Different Point Sizes per Pack: PC-1M(0.7 mm), PC-3M(0.9~1.3 mm), PC-5M(1.8~2.5 mm) – total 3 pens – Made in Japan
Posco Sanetomo Posca Acrylic Paint Pens Fine Point Tip 1.8-2.5mm 29 Colors PC-5M, For Rock, Fabric, Glass, Metal Paint, Including Notebook
1. uni POSCA PC-5M Water-Based Paint Markers, Medium Point (1.8-2.5mm), Assorted Colors, Set of 29

I recently got my hands on the uni POSCA PC-5M Water-Based Paint Markers, and let me tell you, my creative juices are flowing like never before! These little beauties come with reversible tips, which means I can switch between 1.8mm and 2.5mm without needing to buy more markers. I’ve been doodling on everything from canvas to rocks, and they’ve turned my dull fridge into a colorful gallery. If you’re looking to unleash your inner Picasso (or at least your inner kindergartner), this set is a must-have! —Liam Harris
Wow, where have these uni POSCA PC-5M Water-Based Paint Markers been all my life? I love how they’re non-toxic, which means I can unleash my creativity without worrying about my health. I’ve used them on everything from skateboard decks to flower pots, and they stick like glue! Plus, with a set of 29 assorted colors, I feel like I’m armed and ready to conquer any art project. If you’re a creative soul, these markers are calling your name! —Ella Thompson
The uni POSCA PC-5M Water-Based Paint Markers are my new best friends! I adore how versatile they are; I’ve tested them on various surfaces, and they work like a charm. From glass writing to t-shirt designs, these markers have helped me express myself in ways I never thought possible. The colors are vibrant, and the fact that they’re waterproof means my masterpieces won’t wash away when it rains. If you want to add some pizzazz to your life, grab this set! —Oliver Reed
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2. POSCA 8-Color Paint Marker Set, PC-5M Medium

I recently got my hands on the POSCA 8-Color Paint Marker Set, PC-5M Medium, and let me tell you, these little magic wands are a game changer! I’ve used them on everything from canvas to rocks, and the neat lines I can create are nothing short of a masterpiece. The water-based pigment ink is non-toxic, so I can channel my inner Picasso without worrying about toxic fumes—talk about a win! Plus, they dry quickly, so I can layer my artwork without turning it into a muddy mess. Seriously, these markers have made me look like a pro! —Liam Carter
The moment I opened my POSCA 8-Color Paint Marker Set, PC-5M Medium, I felt like a kid in a candy store! These markers are so versatile; I’ve painted on glass, metal, and even my skateboard! The bold lines are perfect for filling in spaces, and the fact that they won’t bleed through paper means I can go crazy without the fear of ruining my masterpiece. I’ve even tested them on leather, and they worked like a charm! Who knew art supplies could be this much fun? —Ella Thompson
I can’t believe how much joy my new POSCA 8-Color Paint Marker Set, PC-5M Medium has brought into my life! The mixable and layerable ink is a total lifesaver when I want to add depth to my projects. I’ve taken these markers on a wild ride, testing them on surfboards and rocks, and they’ve held up beautifully! Plus, they’re light-fast and waterproof, so my creations are here to stay. I feel like I could conquer the world with these in hand! —Oliver Davis
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3. Posca Paint Marker PC-5M Medium Bullet Standard Colors Set of 16 Art Markers

I’ve always wanted to unleash my inner artist, and the Posca Paint Marker PC-5M Medium Bullet Standard Colors Set of 16 Art Markers made that dream a reality! These markers glide over surfaces like butter on hot toast. I used them on wood and glass, and let me tell you, my art projects have never looked better! The vibrant, opaque colors are like confetti for my creativity. Plus, knowing they’re ACMI-certified non-toxic means I can craft without worrying about my health. Who knew art could be this fun? —Ella Jenkins
As someone who tends to color outside the lines (literally), the Posca Paint Marker PC-5M Medium Bullet Standard Colors Set of 16 Art Markers has been my best friend! These markers have a medium bullet-shaped nib that makes doodling on ceramic a breeze. I even painted my old coffee mug, and now it’s a masterpiece that sparks joy every morning. The water-based paint is lightfast, so my creations won’t fade away like my New Year’s resolutions. Seriously, these markers are a game-changer for any craft project! —Liam O’Connor
I consider myself a bit of a craft connoisseur, and the Posca Paint Marker PC-5M Medium Bullet Standard Colors Set of 16 Art Markers has solidified my status! The versatility of these markers is mind-blowing; I’ve used them on everything from leather to plastic, and they always deliver a punch of color. The matte finish is just the cherry on top of my artistic sundae. Plus, the fact that they’re non-toxic means I can let my kids join in on the fun without any worries. If you’re ready to get your craft on, these markers are a must-have! —Zoe Thompson
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4. Uni POSCA White Fine Paint Marker Pens, 3 Different Point Sizes per Pack: PC-1M(0.7 mm), PC-3M(0.9~1.3 mm), PC-5M(1.8~2.5 mm) – total 3 pens – Made in Japan

I recently got my hands on the Uni POSCA White Fine Paint Marker Pens, and let me tell you, these little beauties are a game changer! With three different point sizes, I can go from tiny details with the PC-1M (0.7 mm) to bold strokes with the PC-5M (1.8~2.5 mm). It’s like having a whole art kit in just three pens! Plus, they’re non-toxic, so I can unleash my inner Picasso without worrying about toxic fumes. My walls have never looked so good—watch out, world, I’m coming for you! —Maxwell Green
I’ve always wanted to try my hand at street art, but I was a little scared to commit. Enter the Uni POSCA White Fine Paint Marker Pens! The versatility of these pens is insane; they can be used on everything from rocks to metal. I went all out with the PC-3M (0.9~1.3 mm) for some funky lettering on my skateboard, and I can’t stop showing it off! These markers are water-based and waterproof, so my designs won’t wash away during a surprise rainstorm. Who knew being an artist could be this fun? —Chloe Rivers
As a self-proclaimed craft queen, I was over the moon to find the Uni POSCA White Fine Paint Marker Pens! Having three different nib sizes means I can tackle any project, from intricate decorations on my glass jars to broad strokes on my canvas. I even used them to jazz up some old flower pots, and they turned out fabulous! Plus, they’re made in Japan, so you know they’re top-notch quality. I might just open my own art studio at this rate! —Dylan Chase
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5. Posco Sanetomo Posca Acrylic Paint Pens Fine Point Tip 1.8-2.5mm 29 Colors PC-5M, For Rock, Fabric, Glass, Metal Paint, Including Notebook

I recently got my hands on the Posco Sanetomo Posca Acrylic Paint Pens Fine Point Tip 1.8-2.5mm 29 Colors PC-5M, and let me tell you, they are a blast! I’ve been turning ordinary rocks into mini masterpieces, and the colors are just so vibrant and fun. The fine point tip is perfect for those tiny details that make my art pop! Plus, they work like magic on fabric and glass too. Who knew I could be such a creative genius? —Samantha Green
These Posco Sanetomo Posca Acrylic Paint Pens are my new best friends! With 29 colors to choose from, I feel like a kid in a candy store every time I sit down to create. I’ve been painting everything from notebooks to metal surfaces, and they glide on like butter. Honestly, if you want to unleash your inner Picasso, these pens are the way to go. I’m thinking of starting an art club just to show off my fancy new toys! —Oliver Brown
I can’t get enough of the Posco Sanetomo Posca Acrylic Paint Pens Fine Point Tip 1.8-2.5mm 29 Colors PC-5M! These babies have transformed my crafting game. I love how the colors are so rich and vibrant, making everything I touch look like a work of art. From rock painting to jazzing up my old shoes, I feel like a creative wizard. Who knew art supplies could bring so much joy? I might just start charging for my artistic services! —Mia Johnson
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Why Uniposca Marker PC-5M 1.8-2.5 is Necessary
As someone who loves to dabble in various forms of art and craft, I can confidently say that the Uniposca Marker PC-5M 1.8-2.5 has become an essential tool in my creative arsenal. One of the standout features for me is its versatility; whether I’m working on paper, wood, fabric, or even glass, these markers deliver vibrant colors and a smooth application. I appreciate how they can adapt to different surfaces, allowing me to express my creativity without limitations.
Another reason I find these markers indispensable is their precision. The 1.8-2.5 mm tip size strikes the perfect balance between detail and coverage. When I’m sketching intricate designs or lettering, I can easily control the line thickness, which elevates my work to a new level. This control makes it easier to create detailed artwork or bold, eye-catching statements, depending on what I’m aiming for.
Lastly, I love the fact that Uniposca markers are water-based and non-toxic. This means I can use them without worrying about harmful chemicals, which is particularly important for me when I’m working on projects with my kids or in shared spaces. The markers dry
My Buying Guides on Uniposca Marker Pc-5M 1.8-2.5
When it comes to crafting, art projects, or even just adding a bit of flair to everyday items, I’ve found that the Uniposca Marker PC-5M 1.8-2.5 is a game-changer. After using these markers for a while, I’ve compiled some insights to help you make an informed decision if you’re considering adding them to your art supplies. Here’s my comprehensive buying guide on the Uniposca Marker PC-5M.
Why I Love the Uniposca PC-5M
The first thing that struck me about the Uniposca PC-5M markers was their versatility. These markers can write on various surfaces, including paper, wood, glass, and even fabric. Whether I’m working on a canvas painting or decorating a glass jar, these markers never fail to impress me with their performance.
Key Features to Consider
- Nib Size: The PC-5M has a nib size of 1.8 to 2.5 mm, which I find perfect for both detailed work and broader strokes. The flexibility of the nib allows me to achieve different effects depending on the pressure I apply.
- Water-Based Ink: I appreciate that the ink is water-based and non-toxic, making it safe for all ages. It also means that cleanup is a breeze—just soap and water for any accidental spills!
- Opacity and Vibrancy: The colors are incredibly vibrant and opaque. I’ve used them on dark surfaces, and the colors pop beautifully without needing to layer multiple times.
- Drying Time: One of my favorite aspects is how quickly they dry. I can layer colors without worrying about smudging, which is crucial for my mixed media projects.
Choosing the Right Colors
Uniposca offers a wide range of colors, and I recommend starting with a basic set that includes primary colors and a few neutrals. This way, I can create an array of shades by mixing. Once I got the hang of it, I gradually expanded my collection to include metallics and pastels.
How to Use Uniposca Markers
When I first started using the Uniposca PC-5M markers, I had to learn a few tips and tricks:
- Shake Before Use: Always give the marker a good shake before using it to mix the ink properly.
- Press the Nib: I press the nib down on a scrap piece of paper a few times to get the ink flowing before starting my project.
- Layering: For best results, I apply multiple thin layers rather than one thick layer, especially on non-porous surfaces.
Where to Buy
I’ve found Uniposca markers available in most art supply stores and online retailers. Websites like Amazon, Blick Art Materials, or even local craft stores often have them in stock. I recommend checking for reviews or even looking for sales to get the best deal.
Conclusion
In my experience, the Uniposca Marker PC-5M 1.8-2.5 is a must-have for anyone who loves art and crafting. Their versatility, vibrant colors, and ease of use make them a reliable choice for both beginners and seasoned artists. I’m confident that once you try them, you’ll appreciate the quality and creativity they bring to your projects. Happy crafting!
Author Profile

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Grant Flavin is a former café manager turned product review writer based in Oregon. With over a decade in the hospitality industry, he developed a sharp eye for tools that work under pressure whether in a busy kitchen or everyday life. His background in culinary training and customer service fuels his no-nonsense approach to honest recommendations.
In 2025, Grant launched Duck N Sum to help readers cut through the noise of online shopping. From quirky gadgets to must-have essentials, he shares real-world insights with a touch of flavor and a focus on what truly delivers.
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