---
title: "Sunlu Petg — $2.4M/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/industrial-scientific/sunlu-petg"
last_updated: "2026-08-08T05:20:09.462Z"
locale: en
meta:
description: "Niche score 63/100 · $2.4M/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Aug 2026."
"og:description": "Niche score 63/100 · $2.4M/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Aug 2026."
"og:title": "Sunlu Petg — $2.4M/yr Amazon US Niche (2026) - Flapen"
---
# **sunlu petg**
**Worth a look**
Shows low returns (0.8%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 95Growth 20Conversion 80Competition 66Returns 96Price range 70Avg price 95Brand share 20Review moat 50Quality gap 57
**Returns**
**Incredible****0.8%**
return rate — above 5% kills the launch gate
**Market size**
**Incredible****$2.4M**
$2.4M/yr · 964K searches
**Avg price**
**Incredible****$29.71**
avg listing price — sweet spot $15–$100
**Conversion**
**Great****8.3%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Good****$10.02–$131.34**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Good****46%**
top-5 click share — leaders hold, buyers still browse
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Okay****1,518.23**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-10.7%**
90-day search growth — must beat 0% to launch
**Brand share**
**Bad****92%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, sunlu petg is a $2.4M/yr Amazon United States market (964K searches/yr). The top 5 brands hold 92% of demand. Demand peaks in Feb–Mar–Apr–May. Verdict: Worth a look — 63/100.
Data updated Aug 6, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **sunlu petg market data**
- **Units sold / yr**
- **60K–80K**
- avg 2,500–3,000/product
- **Revenue / yr**
- **$1.8M–$2.4M**
- units × avg price
- **Conversion rate**
- **8.3%**
- **Avg BSR**
- **#69**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **94%**
- **Out of stock**
- **1.5%**
- **Avg brand age**
- **32 months**
- **Avg seller age**
- **136 days**
## **Competition & brand share**
The top 5 products take 46% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**11 **▼falling
**Sellers**
**18**
**Top-5 brand share**
**92%**
Top 20: 100%
**Top-5 click share**
**46%**
Top 20: 83%
**Open market**
**6%**
- SUNLU66% - ELEGOO10% - YOOPAI9% - OVERTURE5% - Yoopai3% - SOLEYIN2% - Open — no brand owns it (5 brands, 6%)
## **Demand & seasonality**
Weekly Amazon search volume, last 83 weeks — -10.7% search growth over the last 90 days.
35K25KSpike '25Prime Day '25Black Friday '25Spike '26 seasonJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJunJul
Peak months: Feb, Mar, Apr, May · busiest ÷ quietest = 5.1×
[**Open Trend **](https://flapen.com/research/us/industrial-scientific/sunlu-petg/trend)
## **Top sunlu petg search terms**
- **sunlu petg**300K/yr-18.9%4.0% conv. - **black petg**79K/yr+7.3%16.0% conv. - **matte petg**69K/yr-1.0%1.1% conv. - **petg filament bundle**65K/yr-10.7%0.4% conv. - **petg black**51K/yr+6.7%13.1% conv. - **sunlu petg filament**52K/yr-20.0%3.3% conv. - **petg bundle**46K/yr-2.4%0.4% conv. - **black petg filament**34K/yr+10.9%14.2% conv. - **petg refill**34K/yr-10.6%1.6% conv. - **petg matte**30K/yr-0.6%1.4% conv. [**All search terms **](https://flapen.com/research/us/industrial-scientific/sunlu-petg/search-terms)
## **Top sunlu 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%5%$119K10%$237K15%$356K20%$474K101001K10K100K 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**SUNLU PETG Filament 1.75mm 1kg Black**SUNLU**$14.16**4.7★316 rev](https://www.amazon.com/dp/B0DJS3PJVX) [2**SUNLU PETG Filament 1.75mm 4kg 2 Black+2 Black**SUNLU**$40.83**4.6★376 rev](https://www.amazon.com/dp/B0D1KC72YP) [3**SUNLU High Speed PETG 3D Printer Filament 1.75mm 1kg Spool Black**SUNLU**$15.18**4.2★1,453 rev](https://www.amazon.com/dp/B0D9NFF2T8) [4**Official SUNLU PETG Filament 1.75mm 2kg(4.4lbs) 3D Printer Filament Bundle Strong Toughness Better Layer Adhesion Dimensional Accuracy +/- 0.02mm Black+Black**YOOPAI**$22.70**4.5★1,404 rev](https://www.amazon.com/dp/B0DQV1YJW7) [5**ELEGOO PETG Filament 1.75mm Black 1KG 3D Printer Filament Dimensional Accuracy +/- 0.02 mm 1kg Spool(2.2lbs) Fits for Most FDM 3D Printers**ELEGOO**$12.57**4.6★1,679 rev](https://www.amazon.com/dp/B0D41Y3WWZ)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**SUNLU PETG Filament Refill 1.75mm 1KG Matte Black**SUNLU**$16.28**243 rev5mo ago](https://www.amazon.com/dp/B0GCCD34RX) [**SUNLU PETG Filament 1.75mm 2kg Black+Black**SUNLU**$24.54**309 rev10mo ago](https://www.amazon.com/dp/B0FRRX8YDF) [**SUNLU PETG Filament 1.75mm 2kg Black+White**SUNLU**$25.90**309 rev10mo ago](https://www.amazon.com/dp/B0FRR27V4C) [**Soleyin PETG 3D Printer Filament 1.75mm Neatly Wound Strong Toughness Filament Smooth Glossy Finish 1 kg Spool(2.2lbs) Dimensional Accuracy +/- 0.02mm Fit Most FDM Printers(Black)**SOLEYIN**$11.02**244 rev1y ago](https://www.amazon.com/dp/B0FKGQ2B8J) [**SUNLU Filament Refill 1.75mm 4 Black**SUNLU**$40.86**70 rev1y ago](https://www.amazon.com/dp/B0FG7S2H6Q)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**SUNLU PETG Filament Refill 1.75mm 1KG Matte Black**SUNLU**$16.28**4.2★**▲ 244%**](https://www.amazon.com/dp/B0GCCD34RX) [**SUNLU High Speed PETG Filament 1.75mm 4KG Black+White+Blue+Red**SUNLU**$44.47**4.2★**▲ 233%**](https://www.amazon.com/dp/B0D9NM3PXZ) [**Soleyin PETG 3D Printer Filament 1.75mm Neatly Wound Strong Toughness Filament Smooth Glossy Finish 1 kg Spool(2.2lbs) Dimensional Accuracy +/- 0.02mm Fit Most FDM Printers(Black)**SOLEYIN**$11.02**4.5★**▲ 124%**](https://www.amazon.com/dp/B0FKGQ2B8J) [**SUNLU PETG Filament 1.75mm 4kg Black+White+Grey+Oak**SUNLU**$44.11**4.6★**▲ 105%**](https://www.amazon.com/dp/B0FB8FQ4KV) [**DEEPLEE PETG PRO Filament 1.75mm Black 1KG**Deeplee**$10.02**4.4★**▲ 75%**](https://www.amazon.com/dp/B0FF3VHH1F)
**~~View all trending →~~**
## **What buyers say about sunlu petg**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**26%
*“Smooth, repeatable quality”*
**Value For Money**21%
*“Decent value”*
**Material Quality**9%
*“Good material”*
**Adhesion/Stickiness**7%
*“Layer adhesion is strong”*
**Compatibility-Overall**5%
*“Compatible with all printers”*
**Color**4%
*“Vibrant color”*
**Advertised Vs Actual Product**4%
*“As advertised”*
**Efficiency**4%
*“Worked without issue”*
**Durability**3%
*“it holds up great”*
**Functionality-Overall**2%
*“performs consistently without any issues”*
### **What buyers complain about **
**Print Quality**24%
*“not really good on printing”*
**Quality-Overall**19%
*“Not usual quality”*
**Adhesion/Stickiness**9%
*“adhesion fails often”*
**Color**5%
*“it is very pale”*
**Functionality-Overall**4%
*“does not work well”*
**Strength**4%
*“Very brittle”*
**Heating**3%
*“Can be finicky with temps”*
**Ease Of Use**3%
*“Hard to work with”*
**Material Quality**3%
*“Material mix up”*
**Advertised Vs Actual Product**2%
*“Not as described”*
### **Top return reasons **
**Print Quality**14%
**Advertised Vs Actual Product**10%
**Value For Money**10%
**Functionality-Overall**10%
**Color**10%
**Material Quality**8%
**Defective Material/Parts**8%
**Adhesion/Stickiness**5%
**Product Condition**5%
**Compatibility-Overall**5%
## **Common questions**
- **Is sunlu petg profitable to sell on Amazon United States?**
- The niche generates $2.4M/yr across 35 tracked products. 6 of 6 products launched in the last 360 days are still selling. 90-day search growth is -10.7%. Flapen's verdict: Worth a look (63/100).
- **How competitive is the sunlu petg niche?**
- 11 brands and 18 sellers compete. The top 5 products take 46% of clicks and top 5 brands hold 92% of demand.
- **What do buyers complain about in sunlu petg?**
- Top complaints mined from reviews: Print Quality, Quality-Overall, Adhesion/Stickiness. The return rate is 0.8%.
- **When does demand for sunlu petg peak?**
- Demand peaks in Feb–Mar–Apr–May; the busiest month runs 5.1× the quietest.
- **What does it cost to enter the sunlu petg niche?**
- Listings span $10.02–$131.34; the average listing price is $29.71 (sweet spot $15–$100). The average incumbent carries 1,518 reviews — the moat a new listing must climb.
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