---
title: "black posca marker — Niche Verdict: Skip it (46/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/arts-crafts-sewing/black-posca-marker"
last_updated: "2026-07-14T02:41:17.296Z"
locale: en
meta:
  description: "brand-locked demand (top 5 brands take 100% of clicks) — black posca marker doesn't clear our bar today."
  "og:description": "brand-locked demand (top 5 brands take 100% of clicks) — black posca marker doesn't clear our bar today."
  "og:title": "black posca marker — Niche Verdict: Skip it (46/100) | Amazon United States - Flapen"
---

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# **black posca marker**

**Skip it**

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Market size 31Growth 38Conversion 93Competition 36Returns 97Price range 64Avg price 69Brand share 0Review moat 61Quality gap 18

**Returns**

**Incredible****0.7%**

return rate — above 6% kills the launch gate

**Conversion**

**Great****11.4%**

search→purchase rate — share of searches ending in a sale

**Avg price**

**Good****$14.31**

avg listing price — sweet spot $15–$100

**Price range**

**Good****$5.29–$32.39**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Review moat**

**Good****1,064.75**

avg incumbent reviews — the moat a new listing must climb

**Growth**

**Okay****+10.3%**

90-day search growth — must beat 0% to launch

**Competition**

**Okay****63%**

top-5 click share — leaders hold, buyers still browse

**Market size**

**Okay****$140K**

$140K/yr · 86K searches

**Quality gap**

**Bad****4.7★**

avg incumbent rating — lower means beatable quality

**Brand share**

**Bad****100%**

top-5 brand share — brand-locked demand

## **Competition**

The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**5 **—flat

**Sellers**

**60**

**Top-5 brand share**

**100%**

**Open market**

**0%**

- posca74% - 三菱鉛筆13% - Uni-Ball10% - MITSUBISHI2% - Surcotto1%

## **Product shelf**

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%10%$14K20%$28K30%$42K40%$56K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 20 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![posca PC-5M Water-Based Paint Markers Reversible Medium Tip (1.8-2.5mm) Black 3 Count](https://m.media-amazon.com/images/I/41leLi5SHiL.jpg)**posca PC-5M Water-Based Paint Markers Reversible Medium Tip (1.8-2.5mm) Black 3 Count**posca**$12.98**4.7★243 rev](https://www.amazon.com/dp/B0FP3T7174) [2![Posca - Ultra Fine to Fine Paint Marker Pens Set - PC-1MR PC-1M PC-3M - Black Ink - Pack of 3](https://m.media-amazon.com/images/I/41wMRBZ1q1L.jpg)**Posca - Ultra Fine to Fine Paint Marker Pens Set - PC-1MR PC-1M PC-3M - Black Ink - Pack of 3**posca**$11.78**4.8★1,128 rev](https://www.amazon.com/dp/B0BWYKYB5J) [3![Mitsubishi Pencil POSCA pen - no longer available -](https://m.media-amazon.com/images/I/31f9z7qbcyL.jpg)**Mitsubishi Pencil POSCA pen - no longer available -**三菱鉛筆**$10.44**4.6★32 rev](https://www.amazon.com/dp/B0F93K8MNH) [4![Posca Acrylic Paint Marker PC-5M Medium tip Black (PX152777000)](https://m.media-amazon.com/images/I/31oRVSK32yL.jpg)**Posca Acrylic Paint Marker PC-5M Medium tip Black (PX152777000)**Uni-Ball**$6.07**4.7★3,561 rev](https://www.amazon.com/dp/B000H6UP4S) [5![posca uni PC-8K Water-Based Paint Markers Broad Tip (8mm) Black 2 Count](https://m.media-amazon.com/images/I/31kcC3eys1L.jpg)**posca uni PC-8K Water-Based Paint Markers Broad Tip (8mm) Black 2 Count**posca**$12.97**4.6★98 rev](https://www.amazon.com/dp/B0FPYMHG68)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![posca uni PC-8K Water-Based Paint Markers Broad Tip (8mm) Black 2 Count](https://m.media-amazon.com/images/I/31kcC3eys1L.jpg)**posca uni PC-8K Water-Based Paint Markers Broad Tip (8mm) Black 2 Count**posca**$12.97**98 rev10mo ago](https://www.amazon.com/dp/B0FPYMHG68) [![posca PC-3M Water-Based Paint Markers Reversible Fine Tip (0.9-1.3mm) Black 3 Count](https://m.media-amazon.com/images/I/31vp5uvQWPL.jpg)**posca PC-3M Water-Based Paint Markers Reversible Fine Tip (0.9-1.3mm) Black 3 Count**posca**$12.95**147 rev10mo ago](https://www.amazon.com/dp/B0FPXNS13P) [![posca uni PC-7M Water-Based Paint Markers Broad Tip (4.5-5.5mm) Black 2 Count](https://m.media-amazon.com/images/I/31QxhP00fpL.jpg)**posca uni PC-7M Water-Based Paint Markers Broad Tip (4.5-5.5mm) Black 2 Count**posca**$14.82**49 rev10mo ago](https://www.amazon.com/dp/B0FPXR4ZBN) [![posca PC-1MR Water-Based Paint Markers Extra Fine Tip (0.7mm) Black 3 Count](https://m.media-amazon.com/images/I/31-aB+TpLxL.jpg)**posca PC-1MR Water-Based Paint Markers Extra Fine Tip (0.7mm) Black 3 Count**posca**$15.03**1,958 rev10mo ago](https://www.amazon.com/dp/B0FPXTRGTC) [![posca PC-1M Water-Based Paint Markers Extra Fine Tip (0.7mm) Black 3 Count](https://m.media-amazon.com/images/I/41TW7Sy+G3L.jpg)**posca PC-1M Water-Based Paint Markers Extra Fine Tip (0.7mm) Black 3 Count**posca**$13.00**125 rev10mo ago](https://www.amazon.com/dp/B0FPTTPS69)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Surcotto 12 PCS Black Acrylic Paint Markers Soft Brush Tip Acrylic Paint Markers Quick-Drying Waterproof Acrylic Markers for Canvas Rock Painting Wood Stone Glass Ceramic Fabric Painting](https://m.media-amazon.com/images/I/51LWxUrHhaL.jpg)**Surcotto 12 PCS Black Acrylic Paint Markers Soft Brush Tip Acrylic Paint Markers Quick-Drying Waterproof Acrylic Markers for Canvas Rock Painting Wood Stone Glass Ceramic Fabric Painting**Surcotto**$13.54**4.6★**▲ 202%**](https://www.amazon.com/dp/B0FLQ6VJ9H) [![Mitsubishi Pencil POSCA pen - no longer available -](https://m.media-amazon.com/images/I/31f9z7qbcyL.jpg)**Mitsubishi Pencil POSCA pen - no longer available -**三菱鉛筆**$10.44**4.6★**▲ 128%**](https://www.amazon.com/dp/B0F93K8MNH) [![posca uni PC-8K Water-Based Paint Markers Broad Tip (8mm) Black 2 Count](https://m.media-amazon.com/images/I/31kcC3eys1L.jpg)**posca uni PC-8K Water-Based Paint Markers Broad Tip (8mm) Black 2 Count**posca**$12.97**4.6★**▲ 108%**](https://www.amazon.com/dp/B0FPYMHG68) [![posca PC-3M Water-Based Paint Markers Reversible Fine Tip (0.9-1.3mm) Black 3 Count](https://m.media-amazon.com/images/I/31vp5uvQWPL.jpg)**posca PC-3M Water-Based Paint Markers Reversible Fine Tip (0.9-1.3mm) Black 3 Count**posca**$12.95**4.8★**▲ 105%**](https://www.amazon.com/dp/B0FPXNS13P) [![posca PC-5M Water-Based Paint Markers Reversible Medium Tip (1.8-2.5mm) Black 3 Count](https://m.media-amazon.com/images/I/41leLi5SHiL.jpg)**posca PC-5M Water-Based Paint Markers Reversible Medium Tip (1.8-2.5mm) Black 3 Count**posca**$12.98**4.7★**▲ 66%**](https://www.amazon.com/dp/B0FP3T7174)

**~~View all trending →~~**

## **Demand & seasonality**

Weekly Amazon search volume, last 97 weeks — +10.3% search growth over the last 90 days.

2K2KSpike '24Prime Day '25Black Friday '25 seasonDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.2×

## **Reviews**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Color**20%

*“I love the color”*

**Quality-Overall**14%

*“Top-Notch Quality, Smooth Transaction”*

**Paint Quality**9%

*“I LOVE these paint markers”*

**Ease Of Use**8%

*“Easy to use”*

**Pen/Pencil Quality**7%

*“Great markers”*

**Durability**6%

*“Its durable, useful, and looks exactly like the description”*

**Size-Overall**3%

*“The markers are a great size too, a”*

**Quick Drying**3%

*“black hair with them <3 dries fairly quickly”*

**Design-Overall**2%

*“These are great for just about any project”*

**Soft Feel**2%

*“their performance is smooth flowing”*

### **What buyers complain about **

**Leak-Proof**11%

*“its dripping everywhere”*

**Quality-Overall**10%

*“expected better”*

**Ease Of Use**6%

*“Rough”*

**Spray/Flow**6%

*“the flow on those were bad”*

**Value For Money**6%

*“Not worth the money”*

**Advertised Vs Actual Product**6%

*“This is false advertisement”*

**Color**5%

*“they are really dark”*

**Dry/Empty Ink**4%

*“I know to shake them and press down and it just kept drying out and I'd have to go over every letter twice”*

**Thickness**3%

*“thick”*

**Durability**3%

*“They break”*

### **Top return reasons **

**Size-Overall**21%

**Advertised Vs Actual Product**12%

**Value For Money**10%

**Functionality-Overall**9%

**Paint Quality**7%

**Color**6%

**Thickness**5%

**Dry/Empty Ink**4%

**Water Resistance**3%

**Ink Refill**3%