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18x28 frame

Skip it

A small market ($56K/yr) — this niche doesn't clear our bar today.

Market size 14Growth 46Conversion 65Competition 21Returns 74Price range 95Avg price 95Brand share 19Review moat 25Quality gap 48

Avg price

Incredible$40.35

avg listing price — sweet spot $15–$100

Price range

Incredible$23.84–$70.14

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

Returns

Good2.1%

return rate — above 5% kills the launch gate

Conversion

Good5.8%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Growth

Okay+16.5%

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

Review moat

Bad4,828.46

avg incumbent reviews — the moat a new listing must climb

Competition

Bad75%

top-5 click share — a locked-up shelf

Brand share

Bad92%

top-5 brand share — brand-locked demand

Market size

Bad$56K

$56K/yr · 24K searches

According to Flapen's Amazon United States niche tracking, 18x28 frame is a $56K/yr Amazon United States market (24K searches/yr). The top 5 brands hold 92% of demand. Verdict: Skip it — 43/100.

Data updated Aug 2, 2026 · scored weekly · How we score niches

18x28 frame market data

Units sold / yr
1K–1K
avg 0–100/product
Revenue / yr
$40K–$50K
units × avg price
Conversion rate
5.8%
Avg BSR
#90
Page quality
0%
Prime
62%
Sponsored
77%
Out of stock
0.0%
Avg brand age
51 months
Avg seller age
187 days

Competition & brand share

The top 5 products capture 75% of clicks — a locked-up shelf that new listings rarely crack.

Brands

8 falling

Sellers

11

Top-5 brand share

92%

Top 20: 100%

Top-5 click share

75%

Top 20: 100%

Open market

5%

  • LaVie Home38%
  • Americanflat28%
  • ArtToFrames12%
  • wallsthatspeak8%
  • BESCRCL6%
  • LUCKYLIFE3%
  • Open — no brand owns it (2 brands, 5%)

Demand

Weekly Amazon search volume, last 23 weeks — +16.5% search growth over the last 90 days.
500300Spike '26Feb '26Mar '26Apr '26Apr '26May '26Jun '26Jun '26Jul '26

Top 18x28 frame search terms

  • 18x28 frame11K/yr
  • 18 x 28 frame4K/yr
  • 18x28 poster frame4K/yr
  • 28x18 frame4K/yr
All search terms

Top 18x28 frame 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%$6K20%$11K30%$17K40%$22K101001K10K100K 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 18x28 frame

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

What buyers love

Frame Quality42%

“Perfect frame for what I needed”

Quality-Overall18%

“Very well made”

Size-Overall9%

“Size is accurate”

Image/Picture Clarity8%

“Quality picture frame”

Value For Money7%

“Excellent Value”

Advertised Vs Actual Product5%

“Great product as advertised”

Strength3%

“Sturdy”

Wood Quality2%

“wood grain much more than the cheapy plastic frame I own from Walmart”

Assembly/Installation2%

“Easy set up”

Weight Light1%

“lightweight”

What buyers complain about

Frame Quality31%

“The corners on one of the frames didnt match up”

Quality-Overall22%

“Expected better quality for the price - I did not expect to have to SuperGlue the frame together”

Mounting17%

“Horrible mounting apparatus”

Measurement/Reading Accuracy8%

“required quite a lot of measurements”

Natural Resource Wastage6%

“Waste of money”

Weight Heavy3%

“Cons: not super heavy-duty. but great for posters”

Top return reasons

Frame Quality54%
Size-Overall30%
Advertised Vs Actual Product4%
Color3%
Value For Money2%
Material Quality2%
Scratch Resistance1%
Defective Material/Parts1%
Wood Quality1%
Functionality-Overall1%

Common questions

Is 18x28 frame profitable to sell on Amazon United States?
The niche generates $56K/yr across 13 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +16.5%. Flapen's verdict: Skip it (43/100).
How competitive is the 18x28 frame niche?
8 brands and 11 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 92% of demand.
What do buyers complain about in 18x28 frame?
Top complaints mined from reviews: Frame Quality, Quality-Overall, Mounting. The return rate is 2.1%.
What does it cost to enter the 18x28 frame niche?
Listings span $23.84–$70.14; the average listing price is $40.35 (sweet spot $15–$100). The average incumbent carries 4,828 reviews — the moat a new listing must climb.