How big is the tip of this size?

It's about the size of a normal Sharpie. It's not fine but also not wide. I've found I can get corners done by getting close and letting the color sort of bleed into the corner.

Is this a paint marker? I need to write on black plastic.

Yes it is a paint marker that marks and flows on just about anything. Best markers I have ever used and does not dry out or clog like most do. Even good on a rock!

Can anyone tell me the size point for outlining. Smallest point Posca makes?

Extra fine. 1 M. Still not super fine, but it's the smallest they make. I use it for rock painting and it's awesome for outlining.

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Uni Posca Extra Bold Marker, White (PC17K.1)

Product ID: 5650064

Details

Brand
三菱鉛筆
Ink Color
White
Number of Items
1
Point Type
Bold
Target Audience
Artists or in

🖤vibrant opaque white ink

❄️weatherproof ink lasts through winter

🖊️2mm+ bold tip for standout strokes

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S/.72

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Sold byAmazon PeruDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🖊️ Make your mark bold, bright, and unforgettable!

BOLD UNMISSABLE - Extra bold 2mm+ tip delivers striking, high-impact lines that command attention.
COMFORT GRIP CONTROL - Ribbed grip design offers precision and comfort for extended creative sessions.
TRUSTED BY CREATIVES - Top-rated with 4.8 stars and a cult following among event stylists and business window decorators.
OPAQUE WHITE BRILLIANCE - Pure, bright white pigment ensures your designs pop on any surface, from glass to chalkboards.
WEATHERPROOF DURABILITY - Resilient ink formula endures outdoor conditions, keeping your art vivid through winter and beyond.

The Uni Posca Extra Bold Marker in white features a 2mm+ bold tip with vibrant, opaque ink that resists weathering, making it ideal for long-lasting outdoor and indoor creative projects. Praised for its durability and precision grip, it’s a top choice for professionals seeking standout white marker performance.

Specifications

ASIN	B001GR2ECI
Best Sellers Rank	#61,935 in Office Products ( See Top 100 in Office Products ) #582 in Permanent Markers & Marker Pens
Brand	三菱鉛筆
Color	White
Customer Reviews	4.8 4.8 out of 5 stars (472)
Date First Available	August 3, 2017
Grip Type	Ribbed
Ink Color	White
Is Discontinued By Manufacturer	No
Item Weight	2.11 ounces
Item model number	PC17K.1
Line Size	2mm_and_above
Manufacturer	Uni
Manufacturer Part Number	PC17K.1
Number of Items	1
Point Type	Bold
Size	1 Count (Pack of 1)

Reviews

M**A

Best White Chalk Marker

I used this marker for my sister’s wedding signs and car. The best brand of chalk markers I have used!

2.03.2025

S**O

Long lasting

Bought these for outdoor window art for a business. It lasted for months through the winter weather. Would 100% purchase again!

7.02.2026

A**R

Good coverage

Love these markers, the best I've ever used

4.01.2026

J**N

Gooood

That’s a a good paint stick paw paw

30.12.2025

A**E

Good but doesn’t last as long …

The only problem I have with this is that it’s tricky trying to get it to last.

31.01.2026

G**N

10/10

I’ve bought so many of these for various projects. Perfect for painting tables and coolers. Sometimes the tips fray which makes writing difficult but overall they are a great option for the price.

21.11.2025

J**C

If your in the auto biz this is the go-to

I use these every month for my Automotive sales needs. They go on Windshields smooth and come off with hand sanitizer when you need a fresh canvas.

1.03.2025

A**R

Excelenteeeeee 💜💜

18.12.2024

島**郷

普通に書けます。みんな小学校とかで使った事あるでしょ？あの通りです。

16.08.2025

N**N

Best quality

15.06.2023

純**助

タイヤをホワイトリボンにする為買ったけど、ちょっと芯が思ったより大きくて塗りづらかった。でもインクの量は申し分ないですよ!

16.05.2025

P**A

Worst product ever

24.01.2025

C**N

buena herramienta para trabajar....

19.01.2020

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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S/.72

Duties & taxes included

In stock

Sold byAmazon PeruDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Peru.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

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