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58

brown petg

Worth a look

Shows low returns (1.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 27Growth 36Conversion 91Competition 68Returns 95Price range 87Avg price 82Brand share 43Review moat 47Quality gap 43

Returns

Great1.0%

return rate — above 5% kills the launch gate

Conversion

Great11.0%

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

Price range

Great$11.79–$43.63

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

Avg price

Great$17.86

avg listing price — sweet spot $15–$100

Competition

Good44%

top-5 click share — leaders hold, buyers still browse

Review moat

Okay1,778.16

avg incumbent reviews — the moat a new listing must climb

Brand share

Okay79%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Growth

Okay+8.9%

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

Market size

Okay$117K

$117K/yr · 60K searches

According to Flapen's Amazon United States niche tracking, brown petg is a $117K/yr Amazon United States market (60K searches/yr). The top 5 brands hold 79% of demand. Demand peaks in Jan–Feb–Mar–Apr–May. Verdict: Worth a look — 58/100.

Data updated Aug 6, 2026 · scored weekly · How we score niches

brown petg market data

Units sold / yr
6K–8K
avg 100–250/product
Revenue / yr
$107K–$143K
units × avg price
Conversion rate
11.0%
Avg BSR
#115
Page quality
0%
Prime
100%
Sponsored
84%
Out of stock
10.0%
Avg brand age
29 months
Avg seller age
217 days

Competition & brand share

The top 5 products take 44% of clicks — established leaders, but buyers still shop beyond them.

Brands

15 flat

Sellers

20

Top-5 brand share

79%

Top 20: 100%

Top-5 click share

44%

Top 20: 90%

Open market

17%

  • ELEGOO23%
  • SUNLU23%
  • YOOPAI17%
  • iSANMATE10%
  • OVERTURE7%
  • Creality4%
  • Open — no brand owns it (9 brands, 17%)

Demand & seasonality

Weekly Amazon search volume, last 62 weeks — +8.9% search growth over the last 90 days.
3K2KSpike '25Prime Day '25Black Friday '25Holiday '25Spike '26JunJulAugSepOctNovDecJanFebMarAprMayJunJul

Peak months: Jan, Feb, Mar, Apr, May · busiest ÷ quietest = 4.0×

Top brown petg search terms

  • brown petg24K/yr
  • petg brown14K/yr
  • brown petg filament11K/yr
  • petg filament brown7K/yr
  • petg brown filament3K/yr
All search terms

Top brown petg 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%3%$4K6%$7K9%$11K12%$14K101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

What buyers say about brown petg

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

What buyers love

Quality-Overall24%

“Excellent quality”

Color23%

“Good color”

Value For Money11%

“Good price”

Material Quality8%

“Good plastic”

Adhesion/Stickiness5%

“It adheres well”

Strength5%

“Its strong”

Advertised Vs Actual Product3%

“as expected for this brand”

Compatibility-Overall3%

“Very compatible with Bambu machines”

Efficiency2%

“The filament in PTEG works great”

Ease Of Cleaning2%

“I was able to get clean edges”

What buyers complain about

Color18%

“Inconsistent color”

Quality-Overall15%

“Trash”

Print Quality10%

“impossible to print with unless you really enjoy either babysitting or spaghetti”

Adhesion/Stickiness9%

“Poor Layer Adhesion:”

Advertised Vs Actual Product6%

“It looks darker in the photo”

Value For Money5%

“not for these prices”

Durability4%

“did fail twice before settling down”

Material Quality4%

“Extremely inconsistent PETG – impossible to achieve clean prints”

Brightness/Shine/Glow3%

“Too shiny”

Size-Overall2%

“Spool small”

Top return reasons

Color39%
Advertised Vs Actual Product9%
Print Quality9%
Defective Material/Parts6%
Value For Money6%
Functionality-Overall6%
Product Condition5%
Compatibility-Overall5%
Adhesion/Stickiness4%
Material Quality3%

Common questions

Is brown petg profitable to sell on Amazon United States?
The niche generates $117K/yr across 31 tracked products. 2 of 10 products launched in the last 360 days are still selling. 90-day search growth is +8.9%. Flapen's verdict: Worth a look (58/100).
How competitive is the brown petg niche?
15 brands and 20 sellers compete. The top 5 products take 44% of clicks and top 5 brands hold 79% of demand.
What do buyers complain about in brown petg?
Top complaints mined from reviews: Color, Quality-Overall, Print Quality. The return rate is 1.0%.
When does demand for brown petg peak?
Demand peaks in Jan–Feb–Mar–Apr–May; the busiest month runs 4.0× the quietest.
What does it cost to enter the brown petg niche?
Listings span $11.79–$43.63; the average listing price is $17.86 (sweet spot $15–$100). The average incumbent carries 1,778 reviews — the moat a new listing must climb.