Is rainbow petg profitable to sell on Amazon United States?

The niche generates $92K/yr across 34 tracked products. 3 of 8 products launched in the last 360 days are still selling. 90-day search growth is -2.3%. Flapen's verdict: Worth a look (55/100).

How competitive is the rainbow petg niche?

17 brands and 20 sellers compete. The top 5 products take 46% of clicks and top 5 brands hold 69% of demand.

What do buyers complain about in rainbow petg?

Top complaints mined from reviews: Color, Print Quality, Advertised Vs Actual Product. The return rate is 1.2%.

What does it cost to enter the rainbow petg niche?

Listings span $11.66–$102.58; the average listing price is $23.86 (sweet spot $15–$100). The average incumbent carries 1,717 reviews — the moat a new listing must climb.

rainbow petg

Worth a look

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

Avg price

Incredible$23.86

avg listing price — sweet spot $15–$100

Returns

Great1.2%

return rate — above 5% kills the launch gate

Price range

Great$11.66–$102.58

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

Competition

Good46%

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

Brand share

Good69%

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

Conversion

Good5.1%

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Review moat

Okay1,717

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-2.3%

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

Market size

Bad$92K

$92K/yr · 77K searches

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.

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

rainbow petg market data

Units sold / yr: 3K–4K; avg 0–100/product
Revenue / yr: $72K–$95K; units × avg price
Conversion rate: 5.1%
Avg BSR: #229
Page quality: 0%
Prime: 100%
Sponsored: 91%
Out of stock: 9.2%
Avg brand age: 32 months
Avg seller age: 152 days

Competition & brand share

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

Brands

17 rising

Sellers

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%

Demand

Weekly Amazon search volume, last 14 weeks — -2.3% search growth over the last 90 days.

Open Trend

Top rainbow petg search terms

rainbow petg14K/yr +2.3%5.1% conv.
petg multicolor filament8K/yr -2.3%3.3% conv.
rainbow petg filament7K/yr +3.3%4.3% conv.
petg rainbow filament6K/yr +7.5%4.3% conv.
multicolor petg6K/yr +4.5%3.5% conv.
petg rainbow5K/yr +14.2%4.2% conv.
petg filament multicolor12K/yr -41.7%2.5% conv.
gradient petg5K/yr +26.9%2.1% conv.
multicolor petg filament5K/yr -11.6%3.1% conv.
petg multicolor5K/yr +5.4%3.5% conv.

All search terms

Top rainbow 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

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

Top sellers

by 90-day click share

Stronghero3D PETG 3D Printer Filament 1.75mm Rainbow Translucent Gem Multi Color Fast Color Changing 1kg(2.2lbs) Accuracy +/-0.05mm

Stronghero3D$19.024.4★1,198 rev

YOOPAI PETG Filament 1.75mm Multicolor Smooth Color Transitions Consistent Printing 1KG (2.2lbs) 3D Printer Filament PETG Crystal Rainbow Gradient

YOOPAI$18.444.4★279 rev

Stronghero3D PETG 3D Printer Filament 1.75mm Rainbow Translucent Multi Color 1kg(2.2lbs) Accuracy +/-0.05mm

Stronghero3D$19.734.4★1,198 rev

Stronghero3D PETG 3D Printer Filament 1.75 mm Translucent Multi Color Midnight Galaxy Purple Blue Shiny PETG Filament net Weight 1 kg(2.2lbs)

Stronghero3D$18.634.4★1,198 rev

IEMAI Translucent PETG 3D Printer Filament 1.75mm 1kg Blue-Purple Gradient

IEMAI$19.484.4★1,451 rev

Newest

by launch date

PINBALL PETG Rainbow 3D Printer Filament 1.75mm Multicolor Translucent PETG Filament Accuracy +/- 0.02 mm 1kg Spool (2.2lbs) Liuli red

PINBALL$17.8330 rev

3mo ago

Stronghero3D PETG 3D Printer Filament 1.75 mm Crimson Rainbow Multi Color Purple Turquoise Accuracy +/- 0.05 mm net Weight 1 kg2.2lbs

Stronghero3D$19.001,198 rev

6mo ago

YOOPAI PETG Filament 1.75mm Multicolor Smooth Color Transitions Consistent Printing 1KG (2.2lbs) 3D Printer Filament PETG Crystal Rainbow Gradient

YOOPAI$18.44279 rev

6mo ago

YOOPAI PETG Filament 1.75mm Multicolor Smooth Color Transitions Consistent Printing 1KG (2.2lbs) 3D Printer Filament Gradient PETG Vivid Enchanted Forest

YOOPAI$19.44279 rev

6mo ago

PINBALL PETG 3D Printer Filament 1.75mm High Precision Durable Moisture-Proof Strong Filament Mith Better Flow Dimensional Accuracy +/- 0.02mm 4 Kilograms Glass Blue Lime Dreamland Liuli Red

PINBALL$47.44191 rev

10mo ago

What buyers say about rainbow petg

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

What buyers love

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”

Durability3%

“The durability is great no issues at all”

Brightness/Shine/Glow3%

“Lots of glitter”

Advertised Vs Actual Product2%

“Happy with it was as advertised”

Strength2%

“Good and sturdy”

Ease Of Use2%

“Easy to use”

What buyers complain about

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”

Quality-Overall4%

“Product is cheap in quality”

Compatibility-Overall3%

“Keeps breaking my ps1 machine”

Value For Money2%

“A little pricey”

Heating2%

“turned the heat up still didn't work”

Ease Of Use2%

“not worth the struggle”

Top return reasons

Color16%

Size-Overall14%

Print Quality13%

Advertised Vs Actual Product12%

Compatibility-Overall11%

Functionality-Overall11%

Adhesion/Stickiness4%

Material Quality4%

Product Condition4%

Defective Material/Parts3%

Common questions

Is rainbow petg profitable to sell on Amazon United States?: The niche generates $92K/yr across 34 tracked products. 3 of 8 products launched in the last 360 days are still selling. 90-day search growth is -2.3%. Flapen's verdict: Worth a look (55/100).
How competitive is the rainbow petg niche?: 17 brands and 20 sellers compete. The top 5 products take 46% of clicks and top 5 brands hold 69% of demand.
What do buyers complain about in rainbow petg?: Top complaints mined from reviews: Color, Print Quality, Advertised Vs Actual Product. The return rate is 1.2%.
What does it cost to enter the rainbow petg niche?: Listings span $11.66–$102.58; the average listing price is $23.86 (sweet spot $15–$100). The average incumbent carries 1,717 reviews — the moat a new listing must climb.

rainbow petg

rainbow petg market data

Competition & brand share

Demand

Top rainbow petg search terms

Top rainbow petg products on Amazon

Top sellers

Newest

Trending

What buyers say about rainbow petg

What buyers love

What buyers complain about

Top return reasons

Common questions

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