---
title: "Rainbow Petg — $92K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/industrial-scientific/rainbow-petg"
last_updated: "2026-08-08T06:54:24.374Z"
locale: en
meta:
description: "Niche score 55/100 · $92K/yr market · 77K searches/yr · $23.86 avg price. A small market ($92K/yr) keeps it on the watch list. Data updated Aug 2026."
"og:description": "Niche score 55/100 · $92K/yr market · 77K searches/yr · $23.86 avg price. A small market ($92K/yr) keeps it on the watch list. Data updated Aug 2026."
"og:title": "Rainbow Petg — $92K/yr Amazon US Niche (2026) - Flapen"
---
# **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.
Market size 23Growth 24Conversion 59Competition 65Returns 90Price range 90Avg price 95Brand share 61Review moat 48Quality gap 55
**Avg price**
**Incredible****$23.86**
avg listing price — sweet spot $15–$100
**Returns**
**Great****1.2%**
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**
**Good****46%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Good****69%**
top-5 brand share — brands hold most of the demand
**Conversion**
**Good****5.1%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Okay****1,717**
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 ~~](https://flapen.com/research/methodology)
## **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**
**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%
## **Demand**
Weekly Amazon search volume, last 14 weeks — -2.3% search growth over the last 90 days.
2K1KSpike '26May '26May '26May '26Jun '26Jun '26Jul '26Jul '26
[**Open Trend **](https://flapen.com/research/us/industrial-scientific/rainbow-petg/trend)
## **Top rainbow petg search terms**
- **rainbow petg**14K/yr+2.3%5.1% conv. - **petg multicolor filament**8K/yr-2.3%3.3% conv. - **rainbow petg filament**7K/yr+3.3%4.3% conv. - **petg rainbow filament**6K/yr+7.5%4.3% conv. - **multicolor petg**6K/yr+4.5%3.5% conv. - **petg rainbow**5K/yr+14.2%4.2% conv. - **petg filament multicolor**12K/yr-41.7%2.5% conv. - **gradient petg**5K/yr+26.9%2.1% conv. - **multicolor petg filament**5K/yr-11.6%3.1% conv. - **petg multicolor**5K/yr+5.4%3.5% conv. [**All search terms **](https://flapen.com/research/us/industrial-scientific/rainbow-petg/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.
0%4%$4K8%$7K12%$11K16%$15K101001K10K Reviews — right = deep review moatMarket 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.
### **Top sellers**
by 90-day click share
[1**Stronghero3D PETG 3D Printer Filament 1.75mm Rainbow Translucent Gem Multi Color Fast Color Changing 1kg(2.2lbs) Accuracy +/-0.05mm**Stronghero3D**$19.02**4.4★1,198 rev](https://www.amazon.com/dp/B0FCBVPP7B) [2**YOOPAI PETG Filament 1.75mm Multicolor Smooth Color Transitions Consistent Printing 1KG (2.2lbs) 3D Printer Filament PETG Crystal Rainbow Gradient**YOOPAI**$18.44**4.4★279 rev](https://www.amazon.com/dp/B0GH61DTWG) [3**Stronghero3D PETG 3D Printer Filament 1.75mm Rainbow Translucent Multi Color 1kg(2.2lbs) Accuracy +/-0.05mm**Stronghero3D**$19.73**4.4★1,198 rev](https://www.amazon.com/dp/B0BBVC9N4G) [4**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**$18.63**4.4★1,198 rev](https://www.amazon.com/dp/B0D2D9R864) [5**IEMAI Translucent PETG 3D Printer Filament 1.75mm 1kg Blue-Purple Gradient**IEMAI**$19.48**4.4★1,451 rev](https://www.amazon.com/dp/B0BHV846RM)
**~~View all top sellers →~~**
### **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**$17.83**30 rev3mo ago](https://www.amazon.com/dp/B0GZGWGXS8) [**Stronghero3D PETG 3D Printer Filament 1.75 mm Crimson Rainbow Multi Color Purple Turquoise Accuracy +/- 0.05 mm net Weight 1 kg2.2lbs**Stronghero3D**$19.00**1,198 rev6mo ago](https://www.amazon.com/dp/B0GL1Z4WXK) [**YOOPAI PETG Filament 1.75mm Multicolor Smooth Color Transitions Consistent Printing 1KG (2.2lbs) 3D Printer Filament PETG Crystal Rainbow Gradient**YOOPAI**$18.44**279 rev6mo ago](https://www.amazon.com/dp/B0GH61DTWG) [**YOOPAI PETG Filament 1.75mm Multicolor Smooth Color Transitions Consistent Printing 1KG (2.2lbs) 3D Printer Filament Gradient PETG Vivid Enchanted Forest**YOOPAI**$19.44**279 rev6mo ago](https://www.amazon.com/dp/B0GH5P1CZ3) [**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**$47.44**191 rev10mo ago](https://www.amazon.com/dp/B0FSD7WCQN)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**PINBALL PETG Rainbow 3D Printer Filament 1.75mm Multicolor Translucent PETG Filament Accuracy +/- 0.02 mm 1kg Spool (2.2lbs) Liuli red**PINBALL**$17.83**4.4★**▲ 215%**](https://www.amazon.com/dp/B0GZGWGXS8) [**Stronghero3D PETG 3D Printer Filament 1.75 mm Crimson Rainbow Multi Color Purple Turquoise Accuracy +/- 0.05 mm net Weight 1 kg2.2lbs**Stronghero3D**$19.00**4.4★**▲ 204%**](https://www.amazon.com/dp/B0GL1Z4WXK) [**YOOPAI PETG Filament 1.75mm Multicolor Smooth Color Transitions Consistent Printing 1KG (2.2lbs) 3D Printer Filament Gradient PETG Vivid Enchanted Forest**YOOPAI**$19.44**4.4★**▲ 130%**](https://www.amazon.com/dp/B0GH5P1CZ3) [**Stronghero3D PETG 3D Printer Filament 1.75mm Multi Color Translucent Blue Purple Pink Rainbow Fast Color Changing petg Filament 1.75mm 1kg(2.2lbs) Accuracy +/-0.05mm**Stronghero3D**$16.60**4.4★**▲ 116%**](https://www.amazon.com/dp/B0FCBQBF6N) [**YOOPAI PETG Filament 1.75mm Multicolor Smooth Color Transitions Consistent Printing 1KG (2.2lbs) 3D Printer Filament PETG Crystal Rainbow Gradient**YOOPAI**$18.44**4.4★**▲ 112%**](https://www.amazon.com/dp/B0GH61DTWG)
**~~View all trending →~~**
## **What buyers say about rainbow petg**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Color**46%
*“the color is vibrant”*
**Quality-Overall**14%
*“Good quality”*
**Value For Money**7%
*“Definitely worth the money”*
**Adhesion/Stickiness**4%
*“I had no issues with it sticking”*
**Material Quality**4%
*“the material is durable”*
**Durability**3%
*“The durability is great no issues at all”*
**Brightness/Shine/Glow**3%
*“Lots of glitter”*
**Advertised Vs Actual Product**2%
*“Happy with it was as advertised”*
**Strength**2%
*“Good and sturdy”*
**Ease Of Use**2%
*“Easy to use”*
### **What buyers complain about **
**Color**25%
*“Wrong color”*
**Print Quality**18%
*“totally messes up every print”*
**Advertised Vs Actual Product**10%
*“the listing is drastically misleading”*
**Adhesion/Stickiness**9%
*“Adhesion Issues”*
**Functionality-Overall**4%
*“did not perform”*
**Quality-Overall**4%
*“Product is cheap in quality”*
**Compatibility-Overall**3%
*“Keeps breaking my ps1 machine”*
**Value For Money**2%
*“A little pricey”*
**Heating**2%
*“turned the heat up still didn't work”*
**Ease Of Use**2%
*“not worth the struggle”*
### **Top return reasons **
**Color**16%
**Size-Overall**14%
**Print Quality**13%
**Advertised Vs Actual Product**12%
**Compatibility-Overall**11%
**Functionality-Overall**11%
**Adhesion/Stickiness**4%
**Material Quality**4%
**Product Condition**4%
**Defective Material/Parts**3%
## **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.
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