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36

art portfolio case 18 x 24

Skip it

A small market ($44K/yr) — this niche doesn't clear our bar today.

Market size 11Growth 24Conversion 50Competition 22Returns 44Price range 74Avg price 95Brand share 31Review moat 52Quality gap 40

Avg price

Incredible$40.11

avg listing price — sweet spot $15–$100

Price range

Good$14.83–$129.58

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

Review moat

Good1,425.69

avg incumbent reviews — the moat a new listing must climb

Conversion

Good4.0%

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

Returns

Okay3.5%

return rate — above 5% kills the launch gate

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Brand share

Okay86%

top-5 brand share — brands hold most of the demand

Growth

Bad-2.2%

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

Competition

Bad74%

top-5 click share — a locked-up shelf

Market size

Bad$44K

$44K/yr · 27K searches

According to Flapen's Amazon United States niche tracking, art portfolio case 18 x 24 is a $44K/yr Amazon United States market (27K searches/yr). The top 5 brands hold 86% of demand. Demand peaks in Sep. Verdict: Skip it — 36/100.

Data updated Jul 9, 2026 · scored weekly · How we score niches

art portfolio case 18 x 24 market data

Units sold / yr
1K–2K
avg 100–250/product
Revenue / yr
$50K–$60K
units × avg price
Conversion rate
4.0%
Avg BSR
#27
Page quality
0%
Prime
100%
Sponsored
85%
Out of stock
0.0%
Avg brand age
51 months
Avg seller age
212 days

Competition & brand share

The top 5 products capture 74% of clicks — a locked-up shelf that new listings rarely crack.

Brands

9 rising

Sellers

25

Top-5 brand share

86%

Top 20: 100%

Top-5 click share

74%

Top 20: 100%

Open market

9%

  • Sooez54%
  • ZFCLXX14%
  • ITOYA7%
  • Nicpro7%
  • JJRING6%
  • Vantasii5%
  • Open — no brand owns it (3 brands, 9%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -2.2% search growth over the last 90 days.
2K1KSpike '24Holiday '24Prime Day '25Spike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Sep · busiest ÷ quietest = 2.0×

Top art portfolio case 18 x 24 search terms

  • poster binder12K/yr
  • poster portfolio6K/yr
  • 18x24 portfolio6K/yr
  • poster portfolio 18x243K/yr
All search terms

Top art portfolio case 18 x 24 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%$4K20%$9K30%$13K40%$18K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 13 tracked products in this niche — three views at once, no toggling.

What buyers say about art portfolio case 18 x 24

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

What buyers love

Quality-Overall22%

“Great portfolio bag for your photos and/oe artwork”

Advertised Vs Actual Product11%

“As advertised”

Size-Overall10%

“Nice size”

Storage Capacity9%

“has a lot of space”

Value For Money9%

“Worth the price”

Strength7%

“Pretty sturdy”

Durability4%

“durable”

Design-Overall3%

“Very useful design”

Ease Of Use3%

“Very easy to use”

Paper Quality3%

“This is perfect to carry paper targets to”

What buyers complain about

Size-Overall24%

“Very small in size”

Strength10%

“the plastic outer sleeve quite brittle”

Quality-Overall10%

“they are not as high quality as the Itoya stuff”

Value For Money5%

“Cheaply price”

Print Quality4%

“closer to a looser fit for prints/art”

Material Quality3%

“the plastic is cheap and tears”

Defective Material/Parts3%

“Received damaged item twice”

Advertised Vs Actual Product3%

“Doesn't hold 11x17" posters as claimed.”

Fastener Quality3%

“buckles when stood up”

Storage Capacity3%

“you cannot stand it up to store anywhere”

Top return reasons

Size-Overall75%
Advertised Vs Actual Product4%
Material Quality3%
Strength3%
Weight Heavy2%
Defective Material/Parts1%
Quality-Overall1%
Functionality-Overall1%
Value For Money1%
Compartment1%

Common questions

Is art portfolio case 18 x 24 profitable to sell on Amazon United States?
The niche generates $44K/yr across 13 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is -2.2%. Flapen's verdict: Skip it (36/100).
How competitive is the art portfolio case 18 x 24 niche?
9 brands and 25 sellers compete. The top 5 products take 74% of clicks and top 5 brands hold 86% of demand.
What do buyers complain about in art portfolio case 18 x 24?
Top complaints mined from reviews: Size-Overall, Strength, Quality-Overall. The return rate is 3.5%.
When does demand for art portfolio case 18 x 24 peak?
Demand peaks in Sep; the busiest month runs 2.0× the quietest.
What does it cost to enter the art portfolio case 18 x 24 niche?
Listings span $14.83–$129.58; the average listing price is $40.11 (sweet spot $15–$100). The average incumbent carries 1,426 reviews — the moat a new listing must climb.