posca extra fine
Skip itBrand-locked demand (top 5 brands take 97% of clicks) — this niche doesn't clear our bar today.
Avg price
Great$22.36avg listing price — sweet spot $15–$100
Returns
Great1.2%return rate — above 5% kills the launch gate
Price range
Great$6.89–$65.51cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Good6.2%search→purchase rate — share of searches ending in a sale
Competition
Okay55%top-5 click share — leaders hold, buyers still browse
Review moat
Okay2,978.61avg incumbent reviews — the moat a new listing must climb
Growth
Okay+5.8%90-day search growth — must beat 0% to launch
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Market size
Bad$67K$67K/yr · 48K searches
Brand share
Bad97%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, posca extra fine is a $67K/yr Amazon United States market (48K searches/yr). The top 5 brands hold 97% of demand. Verdict: Skip it — 44/100.
Data updated Jul 10, 2026 · scored weekly · How we score niches
posca extra fine market data
- Units sold / yr
- 3K–4K
- avg 100–250/product
- Revenue / yr
- $67K–$89K
- units × avg price
- Conversion rate
- 6.2%
- Avg BSR
- #603
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 43%
- Out of stock
- 1.9%
- Avg brand age
- 45 months
- Avg seller age
- 179 days
Competition & brand share
The top 5 products take 55% of clicks — established leaders, but buyers still shop beyond them.Brands
7 falling
Sellers
80
Top-5 brand share
97%
Top 20: 100%
Top-5 click share
55%
Top 20: 93%
Open market
1%
- posca60%
- Uni-Ball16%
- uni15%
- UNI3%
- 三菱鉛筆2%
- Posco Marker Sanetomo2%
- Open — no brand owns it (1 brand, 1%)
Demand & seasonality
Weekly Amazon search volume, last 83 weeks — +5.8% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.3×
Top posca extra fine search terms
- posca pc-1mr9K/yr
- posca extra fine tip paint markers10K/yr
- posca 1m8K/yr
- posca 1mr7K/yr
- posca ultra fine tip paint markers6K/yr
- posca pc-1m4K/yr
- posca extra fine5K/yr
Top posca extra fine 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 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Uni-Ball Uniball POSCA PC-1MR Ultra Fine Marker Pens THE SET OF 8 BEST SELLERS
Uni-Ball$23.564.7★599 rev
posca Acrylic Paint Markers 1M Extra Fine Thin Tips Artist Recommended Pens for Coloring Gifts Decorations Fabric Canvas Glass Rocks or Metal Set of 21
posca$35.714.7★3,926 rev
uni Posca Acrylic Paint Art Markers Set of 12 Extra Fine Point Thin Paint Pens for Coloring Gifts Fabric Metal Glass Rocks Wood and Canvas Assorted Colors PC1M12C
uni$21.034.7★18,996 rev
POSCA Uni PC-1MR 0.7mm Paint Marker - Black and White (Pack of 2)
posca$8.624.4★1,170 rev
posca PC-1MR Water-Based Paint Markers Extra Fine Tip (0.7mm) Black 3 Count
posca$15.034.6★1,958 rev
Newest
by launch dateposca 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
POSCA Uni PC-1MR 0.7mm Paint Marker - Black and White (Pack of 2)
posca$8.621,170 rev
Posca PC-1M Paint Marker Set White Gold Silver Black 4 Count
三菱鉛筆$12.36124 rev
POSCA Pens PC-1MR Ultra Fine Acrylic Felt Tip Coloured Permanent Paint Markers for Adults Kids. Perfect for Colouring Fabric Graffiti Watercolour Outline Drawing Window and Glass Art. 8 Pack
posca$23.20166 rev
Trending
90-day click momentumposca PC-1M Water-Based Paint Markers Extra Fine Tip (0.7mm) Black 3 Count
posca$13.004.5★
posca PC-1MR Water-Based Paint Markers Extra Fine Tip (0.7mm) Black 3 Count
posca$15.034.6★
Posca PC-1M Paint Art Marker Pens - Fabric Glass Metal Pen - Set of Black + White (1 of Each)
posca$9.014.7★
Posca Paint Marker Set Mitsubishi Poster Color Marking Pen Fine Point 24 Colors 17 Standard and 7 Natural Japan Import
uni$41.284.6★
posca Paint Markers 3M Fine Point Acrylic Paint Pens with Reversible Tips Art Supplies For Gifts Decorations Fabric Metal Glass Wood and Canvas Set of 15
posca$24.464.8★
What buyers say about posca extra fine
What buyers praise and complain about, mined from review topics.What buyers love
“Amazing colors”
“These are good quality pans”
“Good flow on paint”
“Good price”
“Easy to use”
“Works as advertised”
“Works great”
“Enjoyed using it to draw and write”
“like the tip for fine work”
“Love doing fine, detailed arts and crafts”
What buyers complain about
“it suddenly releases a large amount of paint all at once”
“They are a little pricey”
“Red is pink”
“expected better”
“black one does not work :”
“Arrived Completely Dry”
“it's incredibly difficult to use”
“Terribly leaky”
“Picture is misleading”
“They break”
Top return reasons
Common questions
- Is posca extra fine profitable to sell on Amazon United States?
- The niche generates $67K/yr across 28 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is +5.8%. Flapen's verdict: Skip it (44/100).
- How competitive is the posca extra fine niche?
- 7 brands and 80 sellers compete. The top 5 products take 55% of clicks and top 5 brands hold 97% of demand.
- What do buyers complain about in posca extra fine?
- Top complaints mined from reviews: Paint Quality, Value For Money, Color. The return rate is 1.2%.
- When does demand for posca extra fine peak?
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- What does it cost to enter the posca extra fine niche?
- Listings span $6.89–$65.51; the average listing price is $22.36 (sweet spot $15–$100). The average incumbent carries 2,979 reviews — the moat a new listing must climb.