small pond liner
Worth a lookShows beatable incumbent ratings (3.9★), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Quality gap
Incredible3.9★avg incumbent rating — lower means beatable quality
Growth
Incredible+120.8%90-day search growth — must beat 0% to launch
Avg price
Incredible$38.08avg listing price — sweet spot $15–$100
Review moat
Great274.69avg incumbent reviews — the moat a new listing must climb
Returns
Good2.3%return rate — above 5% kills the launch gate
Conversion
Good5.8%search→purchase rate — share of searches ending in a sale
Price range
Okay$6.60–$188.99cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Okay86%top-5 brand share — brands hold most of the demand
Competition
Bad79%top-5 click share — a locked-up shelf
Market size
Bad$63K$63K/yr · 28K searches
According to Flapen's Amazon United States niche tracking, small pond liner is a $63K/yr Amazon United States market (28K searches/yr). The top 5 brands hold 86% of demand. Verdict: Worth a look — 56/100.
Data updated Jul 16, 2026 · scored weekly · How we score niches
small pond liner market data
- Units sold / yr
- 1K–2K
- avg 0–100/product
- Revenue / yr
- $48K–$57K
- units × avg price
- Conversion rate
- 5.8%
- Avg BSR
- #94
- Page quality
- 0%
- Prime
- 81%
- Sponsored
- 81%
- Out of stock
- 12.2%
- Avg brand age
- 41 months
- Avg seller age
- 191 days
Competition & brand share
The top 5 products capture 79% of clicks — a locked-up shelf that new listings rarely crack.Brands
12 falling
Sellers
18
Top-5 brand share
86%
Top 20: 100%
Top-5 click share
79%
Top 20: 100%
Open market
10%
- ToLanbbt44%
- Generic16%
- DGSL13%
- Sinimaka9%
- Adroiteet4%
- yarlung4%
- Open — no brand owns it (6 brands, 10%)
Top small pond liner search terms
- small pond liner22K/yr
- pond liner small3K/yr
- fountain liner3K/yr
Top small pond 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.
All 16 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
ToLanbbt Pond Liner 4 x 7 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$16.644.4★182 rev
ToLanbbt Pond Liner 7 x 10 Ft 20 Mil HDPE UV Resistant Preformed Pond Liner Easy Cutting Underlayment for Fountain Waterfall Koi Pondsand Water Garden (Black)
ToLanbbt$20.634.5★711 rev
DGSL Pond Liner 20 Mil 7 X 10 FT Pond Liners for Outdoor Ponds HDPE Fish Pond Liner for Natural Looking Ponds Aquaculture Koi Ponds and Water Garden Preformed Large Size Easy Cutting
DGSL$19.084.3★285 rev
HDPE Pond Liner Garden Pond Membrane for Small Ponds Fish Ponds Preformed Liners Flexible Garden Pond Liner Black Pond Lining for Fish Ponds Fountains Water Garden and Waterfall 2X2M 3X6M 5X8M(3x3ft
Generic$6.601.0★1 rev
Sinimaka Pond Liner 7 x 10 Ft HDPE Small Pond Liners for Outdoor Ponds Pond Liners for Koi Fish Water Garden Fountain Waterfall
Sinimaka$20.293.8★115 rev
Newest
by launch date
POPOSOAP Preformed Pond Liner 33 Gallon Rigid Plastic Pond Tub Heavy Duty U-V Resistant Basin with Integrated Plant Shelves for Backyard Garden and Patio Landscaping P797
POPOSOAP$188.9911 rev
HKACSTHI Pond Liner 20 Mil HDPE Pond Liners for Outdoor Ponds Preformed Pond Liner for Koi Fish Duck Pond (4 x 7 Feet)
HKACSTHI$17.1721 rev
Odowalker Black Pond Liners UV Resistant Preformed Pond Liner 2 Pcs
Odowalker$19.134 rev
A.A Pond Liner 5 x 8 ft Reinforced UV Resistant Black HDPE 25 Mil Equivalent for Outdoor Ponds Koi Fish Ponds Garden Fountains Stream Waterfalls
A.A$16.1610 rev
TezhiIe Pond Liner 13 x 17 FT LDPE Pond Liners for Outdoor Ponds 20 Mil Thickness Easy Cutting Fish Pond Liner Flexible & Durable Pond Liner for Aquaculture Koi Ponds Water Garden
Tezhile$59.1354 rev
Trending
90-day click momentumHDPE Pond Liner Garden Pond Membrane for Small Ponds Fish Ponds Preformed Liners Flexible Garden Pond Liner Black Pond Lining for Fish Ponds Fountains Water Garden and Waterfall 2X2M 3X6M 5X8M(3x3ft
Generic$6.601.0★
HKACSTHI Pond Liner 20 Mil HDPE Pond Liners for Outdoor Ponds Preformed Pond Liner for Koi Fish Duck Pond (4 x 7 Feet)
HKACSTHI$17.173.9★
DGSL Pond Liner 20 Mil 7 X 10 FT Pond Liners for Outdoor Ponds HDPE Fish Pond Liner for Natural Looking Ponds Aquaculture Koi Ponds and Water Garden Preformed Large Size Easy Cutting
DGSL$19.084.3★
POPOSOAP Preformed Pond Liner 33 Gallon Rigid Plastic Pond Tub Heavy Duty U-V Resistant Basin with Integrated Plant Shelves for Backyard Garden and Patio Landscaping P797
POPOSOAP$188.994.7★
Sinimaka Pond Liner 7 x 10 Ft HDPE Small Pond Liners for Outdoor Ponds Pond Liners for Koi Fish Water Garden Fountain Waterfall
Sinimaka$20.293.8★
What buyers say about small pond liner
What buyers praise and complain about, mined from review topics.What buyers love
“Good quality and easy to install”
“Easy to use”
“Sturdy”
“Durable,”
“thick enough for us to adjust”
“Size was manageable”
“As described”
“great price”
“Excellent liner that is very sturdy and waterproof”
“Heavy duty”
What buyers complain about
“Leaked”
“this one is looks very cheap”
“It's very large”
“Its thick”
“not flexible at all”
“Lasted only weeks”
“a bit flimsy on its own”
“The material they use is a little stiffer than I would have liked”
“Does not hold water”
“it was cut not straight about 2 less in one end”
Top return reasons
Common questions
- Is small pond liner profitable to sell on Amazon United States?
- The niche generates $63K/yr across 16 tracked products. 1 of 3 products launched in the last 360 days are still selling. 90-day search growth is +120.8%. Flapen's verdict: Worth a look (56/100).
- How competitive is the small pond liner niche?
- 12 brands and 18 sellers compete. The top 5 products take 79% of clicks and top 5 brands hold 86% of demand.
- What do buyers complain about in small pond liner?
- Top complaints mined from reviews: Leak-Proof, Quality-Overall, Size-Overall. The return rate is 2.3%.
- What does it cost to enter the small pond liner niche?
- Listings span $6.60–$188.99; the average listing price is $38.08 (sweet spot $15–$100). The average incumbent carries 275 reviews — the moat a new listing must climb.