---
title: "Pla Refill — $399K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/industrial-scientific/pla-refill"
last_updated: "2026-08-08T10:14:02.420Z"
locale: en
meta:
description: "Niche score 56/100 · $399K/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 56/100 · $399K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Aug 2026."
"og:title": "Pla Refill — $399K/yr Amazon US Niche (2026) - Flapen"
---
# **pla refill**
**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 55Growth 13Conversion 40Competition 82Returns 96Price range 87Avg price 95Brand share 16Review moat 69Quality gap 52
**Returns**
**Incredible****0.8%**
return rate — above 5% kills the launch gate
**Avg price**
**Incredible****$29.94**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$11.60–$47.17**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Great****33%**
top-5 click share — an open shelf
**Review moat**
**Good****737.42**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Good****$399K**
$399K/yr · 415K searches
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Conversion**
**Okay****3.2%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Bad****93%**
top-5 brand share — brand-locked demand
**Growth**
**Bad****-23.9%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, pla refill is a $399K/yr Amazon United States market (415K searches/yr). The top 5 brands hold 93% of demand. Verdict: Worth a look — 56/100.
Data updated Aug 6, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **pla refill market data**
- **Units sold / yr**
- **13K–15K**
- avg 250–500/product
- **Revenue / yr**
- **$374K–$449K**
- units × avg price
- **Conversion rate**
- **3.2%**
- **Avg BSR**
- **#122**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **95%**
- **Out of stock**
- **12.4%**
- **Avg brand age**
- **32 months**
- **Avg seller age**
- **116 days**
## **Competition & brand share**
Clicks spread well past the top 5 (33% combined) — an open shelf where new products get seen.
**Brands**
**11 **▲rising
**Sellers**
**20**
**Top-5 brand share**
**93%**
Top 20: 100%
**Top-5 click share**
**33%**
Top 20: 74%
**Open market**
**4%**
- SUNLU58% - ELEGOO15% - OVERTURE9% - ANYCUBIC7% - MarsWork4% - Polymaker2% - Open — no brand owns it (5 brands, 4%)
## **Demand**
Weekly Amazon search volume, last 51 weeks — -23.9% search growth over the last 90 days.
13K8KSpike '25Black Friday '25Spike '26Aug '25Oct '25Dec '25Feb '26Mar '26May '26
[**Open Trend **](https://flapen.com/research/us/industrial-scientific/pla-refill/trend)
## **Top pla refill search terms**
- **filament refill**80K/yr-20.7%1.1% conv. - **pla refill**70K/yr-19.6%1.8% conv. - **sunlu refill**45K/yr-26.7%1.3% conv. - **pla filament refill**44K/yr-20.1%2.0% conv. - **sunlu pla refill**41K/yr-30.9%2.2% conv. - **refill filament**14K/yr-19.0%1.0% conv. - **3d printer filament refill**15K/yr-29.9%0.7% conv. - **black pla refill**11K/yr-5.4%11.4% conv. - **pla refill filament**15K/yr-36.1%1.7% conv. - **sunlu filament refill**14K/yr-33.6%1.9% conv. [**All search terms **](https://flapen.com/research/us/industrial-scientific/pla-refill/search-terms)
## **Top pla refill 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%2%$8K4%$16K6%$24K8%$32K101001K10K100K 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**ELEGOO PLA Basic Refill Filament 1.75mm Black 1KG 3D Printer Filament No Spool Dimensional Accuracy +/- 0.02mm 3D Printing PLA for Reusable Spool Refilling**ELEGOO**$12.18**4.6★931 rev](https://www.amazon.com/dp/B0DXPFC5F6) [2**SUNLU PLA+ Refill Filament 1.75mm Olive Green+Bone White+Coffee Brown+Oak**SUNLU**$45.24**4.5★312 rev](https://www.amazon.com/dp/B0FCDYBPTK) [3**SUNLU PLA+ Refill Filament 1.75mm 4KG Black*4**SUNLU**$43.78**4.5★312 rev](https://www.amazon.com/dp/B0FCDXJF64) [4**SUNLU PLA+2.0 3D Printer Filament Refill 1.75mm 4KG 1KG/Roll Black*4**SUNLU**$44.58**4.6★185 rev](https://www.amazon.com/dp/B0FZK1PDYG) [5**SUNLU Matte PLA Filament Refill 1.75mm 4KG White*4**SUNLU**$43.43**4.2★174 rev](https://www.amazon.com/dp/B0FCF1L3DR)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**OVERTURE 4 Pack 1kg High Speed Refill PLA+ Filament Black*4**OVERTURE**$37.56**17 rev5mo ago](https://www.amazon.com/dp/B0GR54VTZR) [**SUNLU PLA+ Refill Filament 1.75mm 1KG Black**SUNLU**$11.60**312 rev5mo ago](https://www.amazon.com/dp/B0GC9RC2TB) [**SUNLU Matte PLA Filament Refill 1.75mm 1KG Black**SUNLU**$14.79**174 rev5mo ago](https://www.amazon.com/dp/B0GCF1HG2V) [**SUNLU PLA+2.0 3D Printer Filament Refill 1.75mm 4KG 1KG/Roll Black*4**SUNLU**$44.58**185 rev9mo ago](https://www.amazon.com/dp/B0FZK1PDYG) [**SUNLU PLA+2.0 3D Printer Filament Refill 1.75mm 4 Packs 4KG**SUNLU**$46.73**185 rev9mo ago](https://www.amazon.com/dp/B0FZK26HLL)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**OVERTURE 4 Pack 1kg High Speed Refill PLA+ Filament Black*4**OVERTURE**$37.56**4.4★**▲ 305%**](https://www.amazon.com/dp/B0GR54VTZR) [**SUNLU PLA+ Refill Filament 1.75mm 1KG Black**SUNLU**$11.60**4.5★**▲ 296%**](https://www.amazon.com/dp/B0GC9RC2TB) [**SUNLU Matte PLA Filament Refill 1.75mm 1KG Black**SUNLU**$14.79**4.2★**▲ 291%**](https://www.amazon.com/dp/B0GCF1HG2V) [**SUNLU PLA+2.0 3D Printer Filament Refill 1.75mm 4 Packs 4KG**SUNLU**$46.11**4.6★**▲ 202%**](https://www.amazon.com/dp/B0FZJVYFYS) [**ELEGOO PLA Basic Refill Filament 1.75mm Bundle 4KG 3D Printer Filament No Spool for Reusable Spool Refilling Dimensional Accuracy +/- 0.02mm 4pcs 1kg Spool(2.2lbs) Black White Grey Red**ELEGOO**$42.27**4.6★**▲ 172%**](https://www.amazon.com/dp/B0FBGDH7W8)
**~~View all trending →~~**
## **What buyers say about pla refill**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**26%
*“Absolute quality”*
**Value For Money**19%
*“Excellent value”*
**Color**11%
*“Color is accurate and consistent”*
**Material Quality**8%
*“I also like the fact that the spools are a sturdy material”*
**Compatibility-Overall**5%
*“Its easy to use its compatible”*
**Adhesion/Stickiness**4%
*“No issues with bed adhesion”*
**Advertised Vs Actual Product**4%
*“As advertised”*
**Efficiency**4%
*“Gets the job done”*
**Ease Of Use**3%
*“Easy to use”*
**Size-Overall**2%
*“Fits”*
### **What buyers complain about **
**Print Quality**17%
*“Has messed up every print Ive tried with it”*
**Quality-Overall**16%
*“It is very low quality”*
**Adhesion/Stickiness**8%
*“Does not adhere at all”*
**Size-Overall**8%
*“A lot smaller then expected”*
**Color**7%
*“The color is actually a little darker”*
**Durability**5%
*“It broke two times”*
**Functionality-Overall**5%
*“it never worked”*
**Material Quality**3%
*“wasted material”*
**Value For Money**3%
*“These arent really cheaper than the Anycubic regular spools”*
**Strength**3%
*“Very brittle”*
### **Top return reasons **
**Size-Overall**39%
**Compatibility-Overall**13%
**Functionality-Overall**8%
**Advertised Vs Actual Product**7%
**Color**6%
**Print Quality**6%
**Value For Money**5%
**Defective Material/Parts**4%
**Material Quality**3%
**Product Condition**2%
## **Common questions**
- **Is pla refill profitable to sell on Amazon United States?**
- The niche generates $399K/yr across 55 tracked products. 8 of 17 products launched in the last 360 days are still selling. 90-day search growth is -23.9%. Flapen's verdict: Worth a look (56/100).
- **How competitive is the pla refill niche?**
- 11 brands and 20 sellers compete. The top 5 products take 33% of clicks and top 5 brands hold 93% of demand.
- **What do buyers complain about in pla refill?**
- Top complaints mined from reviews: Print Quality, Quality-Overall, Adhesion/Stickiness. The return rate is 0.8%.
- **What does it cost to enter the pla refill niche?**
- Listings span $11.60–$47.17; the average listing price is $29.94 (sweet spot $15–$100). The average incumbent carries 737 reviews — the moat a new listing must climb.
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