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Rainbow Petg

Rainbow Petg shows a sweet-spot price point ($23.86 avg), but a small market ($92K/yr) keeps it on the watch list.

Flapen Score

55
Worth a look

Top 35% of 262 Industrial & Scientific niches · +3 vs the category median of 52

Market size 23Growth 24Conversion 59Competition 65Returns 90Price range 90Avg price 95Brand share 61Review moat 48Quality gap 55
This niche Category average · 262 niches

Is Rainbow Petg profitable on Amazon?

According to Flapen's Amazon United States niche tracking, Rainbow Petg is a $92K/yr Amazon United States market (77K searches/yr). The top 5 brands hold 69% of demand. Verdict: Worth a look — 55/100.

Rainbow Petg: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Worth a look. Search demand moved -2.3% over the last 90 days and 5.1% of searches end in a purchase.

$92K

revenue / yr

Units sold / yr4K
Search volume / yr-2.3%77K
Conversion rate5.1%
Avg price$23.86

Who owns the niche?

The top 5 brands hold 69% of demand, so 31% of the market is open.

31%

open market share

Brands · sellers17 · 20
Top-5 product click share46%
Open market31%
Avg brand age32 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.4★ — the gap to enter on.

0/100

page quality · 34 products

Sponsored placement91%
New entrants (1y)8· 3 succeeded
Avg rating4.4★
Avg reviews1,717

Top Rainbow Petg products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

The top 5 products take 46% of clicks — established leaders, but buyers still shop beyond them.

$0$4K$7K$11K$15K101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

17 rising

Sellers

20

Top-5 brand share

69%

Top 20: 100%

Top-5 click share

46%

Top 20: 86%

Open market

26%

  • Stronghero3D38%
  • YOOPAI12%
  • IEMAI7%
  • FLASHFORGE6%
  • JAREES6%
  • PINBALL6%

Rainbow Petg demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume77KCVR5.1%Products34Brands17Top 5 Brands69%OOS Rate9.2%Rating4.4★Reviews1,717Avg BSR#229
2K1KSpike '26May '26May '26May '26Jun '26Jun '26Jul '26Jul '26

Top Rainbow Petg search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.

  • rainbow petg14K/yr
  • petg multicolor filament8K/yr
  • rainbow petg filament7K/yr
  • petg rainbow filament6K/yr
  • multicolor petg6K/yr
  • petg rainbow5K/yr
  • petg filament multicolor12K/yr
  • gradient petg5K/yr
  • multicolor petg filament5K/yr
  • petg multicolor5K/yr

What reviews say buyers love and hate about Rainbow Petg

What buyers mention most, as a share of all reviews.

What buyers love

86% of reviews
Color46%

the color is vibrant

Quality-Overall14%

Good quality

Value For Money7%

Definitely worth the money

Adhesion/Stickiness4%

I had no issues with it sticking

Material Quality4%

the material is durable

What buyers complain about

79% of reviews
Color25%

Wrong color

Print Quality18%

totally messes up every print

Advertised Vs Actual Product10%

the listing is drastically misleading

Adhesion/Stickiness9%

Adhesion Issues

Functionality-Overall4%

did not perform

Rainbow Petg return rate & reasons

Why buyers send it back, as a share of all return requests.

1.2%

Return rate

45%

Fixable by listing

The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.

1Color
16%
2Size-Overall
14%
3Print Quality
13%
4Advertised Vs Actual Product
12%
5Compatibility-Overall
11%

Common Rainbow Petg questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores Rainbow Petg 55/100 on Amazon United States — Worth a look. The niche generates $92K/yr across 34 tracked products. 3 of 8 products launched in the last 360 days are still selling. Search demand moved -2.3% over the last 90 days.
Rainbow Petg buyers on Amazon United States complain most about Color, Print Quality, Advertised Vs Actual Product, the themes mined from the niche's reviews. Its return rate is 1.2%.