---
title: "Black Posca Marker — $140K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/arts-crafts-sewing/black-posca-marker"
last_updated: "2026-08-09T06:11:43.165Z"
locale: en
meta:
description: "Niche score 46/100 · $140K/yr market · 86K searches/yr · $14.31 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 46/100 · $140K/yr market · 86K searches/yr · $14.31 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Black Posca Marker — $140K/yr Amazon US Niche (2026) - Flapen"
---
# **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 5% 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
According to Flapen's Amazon United States niche tracking, black posca marker is a $140K/yr Amazon United States market (86K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 46/100.
Data updated Jul 10, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **black posca marker market data**
- **Units sold / yr**
- **10K–13K**
- avg 500–750/product
- **Revenue / yr**
- **$143K–$179K**
- units × avg price
- **Conversion rate**
- **11.4%**
- **Avg BSR**
- **#365**
- **Page quality**
- **0%**
- **Prime**
- **95%**
- **Sponsored**
- **60%**
- **Out of stock**
- **3.0%**
- **Avg brand age**
- **48 months**
- **Avg seller age**
- **172 days**
## **Competition & brand share**
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%**
Top 20: 100%
**Top-5 click share**
**63%**
Top 20: 100%
**Open market**
**0%**
- posca74% - 三菱鉛筆13% - Uni-Ball10% - MITSUBISHI2% - Surcotto1%
## **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×
[**Open Trend **](https://flapen.com/research/us/arts-crafts-sewing/black-posca-marker/trend)
## **Top black posca marker search terms**
- **black posca marker**18K/yr+8.1%13.4% conv. - **posca black**15K/yr+22.5%8.9% conv. - **posca black marker**15K/yr+7.8%11.5% conv. - **posca markers black**17K/yr-0.1%10.6% conv. - **posca black paint pen**6K/yr+8.7%13.4% conv. - **black posca**5K/yr+14.5%12.5% conv. - **posca marker black**5K/yr+15.0%12.3% conv. - **posca paint markers black**4K/yr+26.1%14.3% conv. [**All search terms **](https://flapen.com/research/us/arts-crafts-sewing/black-posca-marker/search-terms)
## **Top black posca marker products on Amazon**
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**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**posca**$11.78**4.8★1,128 rev](https://www.amazon.com/dp/B0BWYKYB5J) [3**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)**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**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**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**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**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**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**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**Surcotto**$13.54**4.6★**▲ 202%**](https://www.amazon.com/dp/B0FLQ6VJ9H) [**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**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**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**posca**$12.98**4.7★**▲ 66%**](https://www.amazon.com/dp/B0FP3T7174)
**~~View all trending →~~**
## **What buyers say about black posca marker**
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%
## **Common questions**
- **Is black posca marker profitable to sell on Amazon United States?**
- The niche generates $140K/yr across 20 tracked products. 7 of 9 products launched in the last 360 days are still selling. 90-day search growth is +10.3%. Flapen's verdict: Skip it (46/100).
- **How competitive is the black posca marker niche?**
- 5 brands and 60 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in black posca marker?**
- Top complaints mined from reviews: Leak-Proof, Quality-Overall, Ease Of Use. The return rate is 0.7%.
- **When does demand for black posca marker peak?**
- Demand is steady year-round — the busiest month runs 1.2× the quietest.
- **What does it cost to enter the black posca marker niche?**
- Listings span $5.29–$32.39; the average listing price is $14.31 (sweet spot $15–$100). The average incumbent carries 1,065 reviews — the moat a new listing must climb.
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