pond liner 20x20
Skip itA small market ($30K/yr) — this niche doesn't clear our bar today.
Growth
Incredible+131.2%90-day search growth — must beat 0% to launch
Quality gap
Great4.1★avg incumbent rating — lower means beatable quality
Review moat
Great355.43avg incumbent reviews — the moat a new listing must climb
Avg price
Good$120.27avg listing price — sweet spot $15–$100
Brand share
Okay76%top-5 brand share — brands hold most of the demand
Returns
Okay3.3%return rate — above 5% kills the launch gate
Conversion
Okay2.5%search→purchase rate — share of searches ending in a sale
Competition
Bad72%top-5 click share — a locked-up shelf
Price range
Bad$69.20–$423.87cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Bad$30K$30K/yr · 10K searches
According to Flapen's Amazon United States niche tracking, pond liner 20x20 is a $30K/yr Amazon United States market (10K searches/yr). The top 5 brands hold 76% of demand. Verdict: Skip it — 49/100.
Data updated Jul 16, 2026 · scored weekly · How we score niches
pond liner 20x20 market data
- Units sold / yr
- 250–500
- avg 0–100/product
- Revenue / yr
- $30K–$60K
- units × avg price
- Conversion rate
- 2.5%
- Avg BSR
- #75
- Page quality
- 0%
- Prime
- 86%
- Sponsored
- 79%
- Out of stock
- 6.0%
- Avg brand age
- 35 months
- Avg seller age
- 225 days
Competition & brand share
The top 5 products capture 72% of clicks — a locked-up shelf that new listings rarely crack.Brands
12 falling
Sellers
13
Top-5 brand share
76%
Top 20: 100%
Top-5 click share
72%
Top 20: 100%
Open market
16%
- Adroiteet23%
- Sinimaka17%
- Coocure13%
- ToLanbbt12%
- yeezoo10%
- ANHAN8%
- Open — no brand owns it (6 brands, 16%)
Demand
Weekly Amazon search volume, last 14 weeks — +131.2% search growth over the last 90 days.Top pond liner 20x20 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.
All 14 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Adroiteet 20 x 20 FT Pond Liner 20 Mil Fish Pond Liner Pond HDPE Liner Pond Liners for Outdoor Ponds Koi Ponds Garden Fountain Waterfall
Adroiteet$99.304.3★1,213 rev
Sinimaka Pond Liner 20 x 20 Ft HDPE Durable Pond Liners for Outdoor Ponds Pond Liners for Fish Koi Water Garden Waterfall Fountain
Sinimaka$69.203.5★150 rev
Coocure 20X20FT Reinforced PE Pond Liner 28Mil Thickness Pond Liners for Outdoor Ponds Hemmed Edge with Buttonholes Liners for KOI/Fish Duck Pond and Waterscape.
Coocure$88.164.1★423 rev
ToLanbbt Pond Liner 20 x 20 Ft HDPE Pond Liners 20 Mil UV Resistant Preformed Pond Liner Easy Cutting Pond Liner for Natural Looking Ponds Waterfall Koi Pondsand Water Garden (Black)
ToLanbbt$91.143.5★16 rev
ANHAN 20x20ft Pond Liners 28MIL HDPE Fish Pond Liner Reinforced Koi Pond Liners for Outdoor Ponds Water Gardens Waterfall Fountain
ANHAN$86.433.7★116 rev
Newest
by launch date
Reinforced PE Pond Liner 20 x 20 FT 28 Mil Sun Resistant Preformed Pond Liner Hemmed Edge with Buttonholes Liner for Outdoor Large Ponds Fish/KOI/Duck Pond Garden Waterfall Waterscape Black
ToLanbbt$84.1372 rev
YETREE 20 x 20 FT Pond Liner 18 Mil Pond Liners for Outdoor Ponds HDPE Pond Liner Leakproof Ecofriendly Easy Cut Fish Pond Liner for Garden Ponds Fish Ponds Water Features
YETREE$72.9247 rev
ANHAN 20x20ft Pond Liners 28MIL HDPE Fish Pond Liner Reinforced Koi Pond Liners for Outdoor Ponds Water Gardens Waterfall Fountain
ANHAN$86.43116 rev
UWIOFF Pond Liner 20 x 25ft 20 mil Pond Liners for Outdoor Ponds UV Resistant Pond HDPE Liner for Fish Ponds Pool Water Features Fountains Waterfall and Water Gardens Black
UWIOFF$117.352,229 rev
MYFAMIREA 20 x 20FT Pond Liner 28Mil PE Preformed Pond Liner with 16 Hemmed Edge Buttonholes Sun Resistant Easy Cutting for Outdoor Ponds Fish Koi Ponds Garden Fountain Waterfall Ponds
MYFAMIREA$83.25197 rev
Trending
90-day click momentumReinforced PE Pond Liner 20 x 20 FT 28 Mil Sun Resistant Preformed Pond Liner Hemmed Edge with Buttonholes Liner for Outdoor Large Ponds Fish/KOI/Duck Pond Garden Waterfall Waterscape Black
ToLanbbt$84.134.0★
Anjon PolyGuard PVC 20 ft. x 20 ft. - 20-Mil Pond Liner
Anjon$194.514.4★
yeezoo 20x20FT Reinforced PE Pond Liner KOI Pond Liners for Outdoor Ponds Enhanced 5-Layer Structure Pond Liner for Fish Duck Garden Raised Bed and Waterscape Pond(0.63oz/sq ft Thickness)
yeezoo$81.484.4★
Lifeguard 20 ft. x 20 ft. EPDM Pond Liner 60-Mil Rubber Liner for Outdoor Ponds Waterfalls Aquaponics Retention Basins Durable & Fish Safe
LifeGuard Pond Liner$423.874.8★
Sinimaka Pond Liner 20 x 20 Ft HDPE Durable Pond Liners for Outdoor Ponds Pond Liners for Fish Koi Water Garden Waterfall Fountain
Sinimaka$69.203.5★
What buyers say about pond liner 20x20
What buyers praise and complain about, mined from review topics.What buyers love
“Exactly the pond liner for quality, price, durable”
“Seems durable”
“very nice thickness”
“Easy to install”
“liner is very sturdy”
“Size was accurate”
“Product met expectations”
What buyers complain about
“Leaks”
“Was expecting rubbery feeling normal pond liner material especially for the cost”
“This new liner was so much thicker”
“will not hold water horrible”
“Not as sturdy as I expected”
“This is not good as described”
“This is not a quality liner”
“Silicone will not stick”
“Its flimsy and didnt even last one night”
“I chose this one to install because it was bigger”
Top return reasons
Common questions
- Is pond liner 20x20 profitable to sell on Amazon United States?
- The niche generates $30K/yr across 14 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is +131.2%. Flapen's verdict: Skip it (49/100).
- How competitive is the pond liner 20x20 niche?
- 12 brands and 13 sellers compete. The top 5 products take 72% of clicks and top 5 brands hold 76% of demand.
- What do buyers complain about in pond liner 20x20?
- Top complaints mined from reviews: Leak-Proof, Material Quality, Thickness. The return rate is 3.3%.
- What does it cost to enter the pond liner 20x20 niche?
- Listings span $69.20–$423.87; the average listing price is $120.27 (sweet spot $15–$100). The average incumbent carries 355 reviews — the moat a new listing must climb.