black posca marker
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.7%return rate — above 5% kills the launch gate
Conversion
Great11.4%search→purchase rate — share of searches ending in a sale
Avg price
Good$14.31avg listing price — sweet spot $15–$100
Price range
Good$5.29–$32.39cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good1,064.75avg incumbent reviews — the moat a new listing must climb
Growth
Okay+10.3%90-day search growth — must beat 0% to launch
Competition
Okay63%top-5 click share — leaders hold, buyers still browse
Market size
Okay$140K$140K/yr · 86K searches
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Brand share
Bad100%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
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.No pronounced peak months · busiest ÷ quietest = 1.2×
Top black posca marker search terms
- black posca marker18K/yr
- posca black15K/yr
- posca black marker15K/yr
- posca markers black17K/yr
- posca black paint pen6K/yr
- black posca5K/yr
- posca marker black5K/yr
- posca paint markers black4K/yr
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.
All 20 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
posca PC-5M Water-Based Paint Markers Reversible Medium Tip (1.8-2.5mm) Black 3 Count
posca$12.984.7★243 rev
Posca - Ultra Fine to Fine Paint Marker Pens Set - PC-1MR PC-1M PC-3M - Black Ink - Pack of 3
posca$11.784.8★1,128 rev
Mitsubishi Pencil POSCA pen - no longer available -
三菱鉛筆$10.444.6★32 rev
Posca Acrylic Paint Marker PC-5M Medium tip Black (PX152777000)
Uni-Ball$6.074.7★3,561 rev
posca uni PC-8K Water-Based Paint Markers Broad Tip (8mm) Black 2 Count
posca$12.974.6★98 rev
Newest
by launch dateposca uni PC-8K Water-Based Paint Markers Broad Tip (8mm) Black 2 Count
posca$12.9798 rev
posca PC-3M Water-Based Paint Markers Reversible Fine Tip (0.9-1.3mm) Black 3 Count
posca$12.95147 rev
posca uni PC-7M Water-Based Paint Markers Broad Tip (4.5-5.5mm) Black 2 Count
posca$14.8249 rev
posca PC-1MR Water-Based Paint Markers Extra Fine Tip (0.7mm) Black 3 Count
posca$15.031,958 rev
posca PC-1M Water-Based Paint Markers Extra Fine Tip (0.7mm) Black 3 Count
posca$13.00125 rev
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$13.544.6★
Mitsubishi Pencil POSCA pen - no longer available -
三菱鉛筆$10.444.6★
posca uni PC-8K Water-Based Paint Markers Broad Tip (8mm) Black 2 Count
posca$12.974.6★
posca PC-3M Water-Based Paint Markers Reversible Fine Tip (0.9-1.3mm) Black 3 Count
posca$12.954.8★
posca PC-5M Water-Based Paint Markers Reversible Medium Tip (1.8-2.5mm) Black 3 Count
posca$12.984.7★
What buyers say about black posca marker
What buyers praise and complain about, mined from review topics.What buyers love
“I love the color”
“Top-Notch Quality, Smooth Transaction”
“I LOVE these paint markers”
“Easy to use”
“Great markers”
“Its durable, useful, and looks exactly like the description”
“The markers are a great size too, a”
“black hair with them <3 dries fairly quickly”
“These are great for just about any project”
“their performance is smooth flowing”
What buyers complain about
“its dripping everywhere”
“expected better”
“Rough”
“the flow on those were bad”
“Not worth the money”
“This is false advertisement”
“they are really dark”
“I know to shake them and press down and it just kept drying out and I'd have to go over every letter twice”
“thick”
“They break”
Top return reasons
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.