---
title: "27 Round Pool Liner — $40K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/27-round-pool-liner"
last_updated: "2026-08-09T03:40:06.733Z"
locale: en
meta:
description: "Niche score 47/100 · $40K/yr market · 18K searches/yr · $374.78 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 47/100 · $40K/yr market · 18K searches/yr · $374.78 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "27 Round Pool Liner — $40K/yr Amazon US Niche (2026) - Flapen"
---
# **27 round pool liner**
**Skip it**
Prices mostly outside the sweet spot ($101.97–$515.28) — this niche doesn't clear our bar today.
Market size 10Growth 90Conversion 8Competition 54Returns 97Price range 0Avg price 19Brand share 3Review moat 82Quality gap 81
**Returns**
**Incredible****0.6%**
return rate — above 5% kills the launch gate
**Growth**
**Great****+98.2%**
90-day search growth — must beat 0% to launch
**Review moat**
**Great****366.03**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Great****4.2★**
avg incumbent rating — lower means beatable quality
**Competition**
**Good****52%**
top-5 click share — leaders hold, buyers still browse
**Avg price**
**Bad****$374.78**
avg listing price — sweet spot $15–$100
**Market size**
**Bad****$40K**
$40K/yr · 18K searches
**Conversion**
**Bad****0.6%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Bad****99%**
top-5 brand share — brand-locked demand
**Price range**
**Bad****$101.97–$515.28**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Signals**[** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, 27 round pool liner is a $40K/yr Amazon United States market (18K searches/yr). The top 5 brands hold 99% of demand. Verdict: Skip it — 47/100.
Data updated Jul 24, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **27 round pool liner market data**
- **Units sold / yr**
- **100–250**
- avg 0–100/product
- **Revenue / yr**
- **$37K–$94K**
- units × avg price
- **Conversion rate**
- **0.6%**
- **Avg BSR**
- **#96**
- **Page quality**
- **0%**
- **Prime**
- **23%**
- **Sponsored**
- **87%**
- **Out of stock**
- **14.6%**
- **Avg brand age**
- **43 months**
- **Avg seller age**
- **215 days**
## **Competition & brand share**
The top 5 products take 52% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**6 **▼falling
**Sellers**
**14**
**Top-5 brand share**
**99%**
Top 20: 100%
**Top-5 click share**
**52%**
Top 20: 90%
**Open market**
**0%**
- Smartline61% - VEVOR13% - Swimline12% - Blue Wave11% - LINERWORLD.COM1% - Shop Square1%
## **Top 27 round pool liner search terms**
- **27 round pool liner**5K/yr+101.4%0.7% conv. - **27 foot pool liner**4K/yr+81.0%1.1% conv. - **27 ft round pool liner**4K/yr+107.7%0.7% conv. - **27 pool liner**4K/yr+106.2%0.7% conv. [**All search terms **](https://flapen.com/research/us/patio-lawn-garden/27-round-pool-liner/search-terms)
## **Top 27 round pool liner 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%$2K8%$3K12%$5K16%$6K1101001K10K 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**VEVOR 27-ft Round Above Ground Pool Liner Overlap Pool Liners Standard Gauge Vinyl 48-to-54inch Wall Height Designed for Steel Sided Above-Ground Swimming Pools**VEVOR**$308.49**4.3★231 rev](https://www.amazon.com/dp/B0DT8KDR9W) [2**Smartline 27 ft Round Swimming Pool Liner | Swirl Bottom | Overlap Style | 48-52 Inch Wall Height | 20 Gauge Heavy Duty Virgin Vinyl | Designed for Steel Sided Above Ground Pools**Smartline**$276.41**4.2★355 rev](https://www.amazon.com/dp/B07MD6DX72) [3**Smartline 27 ft Round Swimming Pool Liner | Boulder Swirl | Overlap Style | 54 Inch Wall Height | 20 Gauge Heavy Duty Virgin Vinyl | Designed for Steel Sided Above Ground Swimming Pools**Smartline**$350.09**4.4★60 rev](https://www.amazon.com/dp/B0DSQQ3YS9) [4**Smartline 27 ft Round Swimming Pool Liner | Crystal Tile | Unibead Style | 54 Inch Wall Height | 25 Gauge Heavy Duty Virgin Vinyl | Designed for Steel Sided Above Ground Pools**Smartline**$491.07**4.6★585 rev](https://www.amazon.com/dp/B01NBRN88H) [5**Smartline 27 ft Round Swimming Pool Liner | Stone Harbor | Unibead Style | 52 Inch Wall Height | 25 Gauge Vinyl | for Steel Sided Above Ground Pools | Gasket Kit Included**Smartline**$495.09**4.6★594 rev](https://www.amazon.com/dp/B00WX2DO5G)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**LINERWORLD.COM 27 Round Beaded Pool Liner for Above Ground Swimming Pools - 25 Gauge Heavy Duty Vinyl - 54 Wall Height - Standard Bead**LINERWORLD.COM**$431.46**4 rev3mo ago](https://www.amazon.com/dp/B0GWRZN8QW) [**Swimline Overlap Pool Liner for Above Ground Pools Cracked Glass 27 (Round) 48/52 Inch Wall 25 Gauge**Swimline**$383.42**44 rev6mo ago](https://www.amazon.com/dp/B00IK49KFE) [**Swimline Overlap Pool Liner for Above Ground Pools Caribbean 27 (Round) 48/52 Inch Wall 25 Gauge**Swimline**$388.10**44 rev6mo ago](https://www.amazon.com/dp/B0GF1K3B9H) [**Smartline 27 ft Round Swimming Pool Liner | Coastal Rock | Unibead Style | 52 Inch Wall Height | 25 Gauge Heavy Duty Virgin Vinyl | Designed for Steel Sided Above Ground Pools**Smartline**$456.13**3 rev9mo ago](https://www.amazon.com/dp/B0FVN4MV3P) [**Smartline 27 ft Round Waves of Poseidon Pool Liner | Overlap Style | 54 Inch Wall Height | 25 Gauge Virgin Vinyl | Designed for Steel Sided Above Ground Swimming Pools**Smartline**$393.35**435 rev10mo ago](https://www.amazon.com/dp/B0FRR6FWRR)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Smartline 27 ft Round Swimming Pool Liner | Pacific Ice | Overlap Style | 48-52 Inch Wall Height | 20 Gauge Heavy Duty Virgin Vinyl | Designed for Steel Sided Above Ground Swimming Pools**Smartline**$294.67**4.2★**▲ 59%**](https://www.amazon.com/dp/B0DZWGW69D) [**Smartline 27 ft Round Swimming Pool Liner | Coastal Rock | Overlap Style | 54 Inch Wall Height | 25 Gauge Heavy Duty Virgin Vinyl | Designed for Steel Sided Above Ground Pools**Smartline**$378.01**4.1★**▲ 57%**](https://www.amazon.com/dp/B09K4LC518) [**Swimline Overlap Pool Liner for Above Ground Pools Caribbean 27 (Round) 48/52 Inch Wall 25 Gauge**Swimline**$388.10**4.3★**▲ 57%**](https://www.amazon.com/dp/B0GF1K3B9H) [**Swimline Overlap Pool Liner for Above Ground Pools Cracked Glass 27 (Round) 48/52 Inch Wall 25 Gauge**Swimline**$383.42**4.3★**▲ 57%**](https://www.amazon.com/dp/B00IK49KFE) [**LINERWORLD.COM 27 Round Beaded Pool Liner for Above Ground Swimming Pools - 25 Gauge Heavy Duty Vinyl - 54 Wall Height - Standard Bead**LINERWORLD.COM**$431.46**3.8★**▲ 56%**](https://www.amazon.com/dp/B0GWRZN8QW)
**~~View all trending →~~**
## **What buyers say about 27 round pool liner**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**33%
*“Fit perfectly”*
**Assembly/Installation**17%
*“Easy to install and beautiful”*
**Design-Overall**8%
*“looks beautiful”*
**Value For Money**8%
*“great price”*
**Quality-Overall**8%
*“Nice quality”*
**Material Quality**4%
*“Held up for 2 years now thick material very durable”*
**Ease Of Use**4%
*“is usable”*
**Durability**4%
*“Great product very durable”*
### **What buyers complain about **
**Stitch/Finish/Polish**30%
*“Horrible, thin, and we have had to patch several places already around where the sides and bottom meet, its not a solid liner its got 3 sections so there are a lot of seams”*
**Leak-Proof**20%
*“We started having leaking”*
**Thickness**10%
*“picture makes it look much thicker than it is”*
**Durability**10%
*“it teared in 2 spots very cheaply made”*
### **Top return reasons **
**Size-Overall**59%
**Advertised Vs Actual Product**8%
**Leak-Proof**6%
**Thin**4%
**Stitch/Finish/Polish**3%
**Ease Of Use**3%
**Material Quality**3%
**Water Resistance**2%
**Thickness**2%
**Assembly/Installation**2%
## **Common questions**
- **Is 27 round pool liner profitable to sell on Amazon United States?**
- The niche generates $40K/yr across 30 tracked products. 6 of 6 products launched in the last 360 days are still selling. 90-day search growth is +98.2%. Flapen's verdict: Skip it (47/100).
- **How competitive is the 27 round pool liner niche?**
- 6 brands and 14 sellers compete. The top 5 products take 52% of clicks and top 5 brands hold 99% of demand.
- **What do buyers complain about in 27 round pool liner?**
- Top complaints mined from reviews: Stitch/Finish/Polish, Leak-Proof, Thickness. The return rate is 0.6%.
- **What does it cost to enter the 27 round pool liner niche?**
- Listings span $101.97–$515.28; the average listing price is $374.78 (sweet spot $15–$100). The average incumbent carries 366 reviews — the moat a new listing must climb.
## **Related niches in Patio, Lawn & Garden**
- 82 [**lawn aerator**](https://flapen.com/research/us/patio-lawn-garden/lawn-aerator)$6.2M/yr+90.1%**Launch it**- 82 [**shepherds hooks for outdoor**](https://flapen.com/research/us/patio-lawn-garden/shepherds-hooks-for-outdoor)$3.9M/yr+141.2%**Launch it**- 82 [**garden mesh**](https://flapen.com/research/us/patio-lawn-garden/garden-mesh)$716K/yr+152.7%**Worth a look**- 83 [**chicken waterer**](https://flapen.com/research/us/patio-lawn-garden/chicken-waterer)$3.4M/yr+70.1%**Launch it**- 83 [**75 foot garden hose**](https://flapen.com/research/us/patio-lawn-garden/75-foot-garden-hose)$1.8M/yr+117.6%**Launch it**- 83 [**bird deterrents for outside**](https://flapen.com/research/us/patio-lawn-garden/bird-deterrents-for-outside)$2.1M/yr+131.5%**Launch it**[**All Patio, Lawn & Garden niches **](https://flapen.com/research/us/patio-lawn-garden)