pond liner
Launch itA $2.5M/yr market growing +77.7% this quarter with returns at 2.3% — clears our launch bar.
Quality gap
Incredible3.8★avg incumbent rating — lower means beatable quality
Market size
Incredible$2.5M$2.5M/yr · 923K searches
Review moat
Great318.54avg incumbent reviews — the moat a new listing must climb
Growth
Great+77.7%90-day search growth — must beat 0% to launch
Avg price
Great$85.07avg listing price — sweet spot $15–$100
Returns
Good2.3%return rate — above 5% kills the launch gate
Brand share
Good70%top-5 brand share — brands hold most of the demand
Competition
Okay57%top-5 click share — leaders hold, buyers still browse
Conversion
Okay3.2%search→purchase rate — share of searches ending in a sale
Price range
Okay$19.08–$265.81cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United States niche tracking, pond liner is a $2.5M/yr Amazon United States market (923K searches/yr). The top 5 brands hold 70% of demand. Demand peaks in Apr–May–Jun–Jul. Verdict: Launch it — 70/100.
Data updated Jul 16, 2026 · scored weekly · How we score niches
pond liner market data
- Units sold / yr
- 30K–40K
- avg 1,250–1,500/product
- Revenue / yr
- $2.6M–$3.4M
- units × avg price
- Conversion rate
- 3.2%
- Avg BSR
- #57
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 3.7%
- Avg brand age
- 51 months
- Avg seller age
- 181 days
Competition & brand share
The top 5 products take 57% of clicks — established leaders, but buyers still shop beyond them.Brands
15 falling
Sellers
20
Top-5 brand share
70%
Top 20: 100%
Top-5 click share
57%
Top 20: 95%
Open market
25%
- ToLanbbt27%
- Adroiteet22%
- DGSL8%
- MAPORCH7%
- SDLDEER7%
- PAMAZY5%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +77.7% search growth over the last 90 days.Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 5.3×
Top pond liner search terms
- pond liner589K/yr
- pond liners for outdoor ponds101K/yr
- pond liner 45 mil36K/yr
- epdm pond liner33K/yr
- pond liners33K/yr
- 45 mil pond liner15K/yr
- fish pond liner18K/yr
- koi pond liner18K/yr
- rubber pond liner15K/yr
- plastic pond liner9K/yr
Top 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 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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
Adroiteet 10 x 15 FT Pond Liner 20 Mil HDPE Pond Liners for Outdoor Ponds
Adroiteet$39.664.3★1,213 rev
MAPORCH Pond Liner for Outdoor Ponds - Heavy Duty Koi Fish Pool Liner - 16.5 x 26.5 ft HDPE 20 Mil - UV Resistant Waterproof Underlayment
MAPORCH$123.474.1★229 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
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$59.133.8★54 rev
Newest
by launch date
TEZONG Pond Liner 15x20Ft Pond Liners for Outdoor 28Mil PE Black Koi Fish Pond Liner Reinforced Pond Underlayment for Water Garden Waterfall Fountain
TEZONG$63.77116 rev
POPOSOAP Preformed Pond Liner 33 Gallon Rigid Pond Liner with Integrated Plant Shelves Heavy Duty U-V Resistant Plastic Preformed Pond for Backyard Patio Fountain Water Lily and Koi Pond-P797
POPOSOAP$186.409 rev
![PAMAZY [Premium] 45 Mil LDPE Pond Liner with Seam Tape Pond Lining for Fish Pond Performed Garden Ponds Large Pond Liner for Fishpond Koi Pond Waterfall Streams (9.8 x 13.1FT)](https://m.media-amazon.com/images/I/51SWxeu4w2L.jpg)
PAMAZY [Premium] 45 Mil LDPE Pond Liner with Seam Tape Pond Lining for Fish Pond Performed Garden Ponds Large Pond Liner for Fishpond Koi Pond Waterfall Streams (9.8 x 13.1FT)
PAMAZY$99.101 rev
![PAMAZY [Premium] 45 Mil LDPE Pond Liner with Seam Tape Pond Lining for Fish Pond Performed Garden Ponds Large Pond Liner for Fishpond Koi Pond Waterfall Streams (13.1 x 19.7FT)](https://m.media-amazon.com/images/I/51w+49BbB+L.jpg)
PAMAZY [Premium] 45 Mil LDPE Pond Liner with Seam Tape Pond Lining for Fish Pond Performed Garden Ponds Large Pond Liner for Fishpond Koi Pond Waterfall Streams (13.1 x 19.7FT)
PAMAZY$168.011 rev
![PAMAZY [Premium] 45 Mil LDPE Pond Liner with Seam Tape Pond Lining for Fish Pond Performed Garden Ponds Large Pond Liner for Fishpond Koi Pond Waterfall Streams (19.7 x 26.2FT)](https://m.media-amazon.com/images/I/51RRuaq0uRL.jpg)
PAMAZY [Premium] 45 Mil LDPE Pond Liner with Seam Tape Pond Lining for Fish Pond Performed Garden Ponds Large Pond Liner for Fishpond Koi Pond Waterfall Streams (19.7 x 26.2FT)
PAMAZY$245.722 rev
Trending
90-day click momentumPAMAZY [Premium] 45 Mil LDPE Pond Liner with Seam Tape Pond Lining for Fish Pond Performed Garden Ponds Large Pond Liner for Fishpond Koi Pond Waterfall Streams (13.1 x 19.7FT)
PAMAZY$168.011.0★
PAMAZY [Premium] 45 Mil LDPE Pond Liner with Seam Tape Pond Lining for Fish Pond Performed Garden Ponds Large Pond Liner for Fishpond Koi Pond Waterfall Streams (19.7 x 26.2FT)
PAMAZY$245.723.0★
TEZONG Pond Liner 15x20Ft Pond Liners for Outdoor 28Mil PE Black Koi Fish Pond Liner Reinforced Pond Underlayment for Water Garden Waterfall Fountain
TEZONG$63.773.9★
PAMAZY [Premium] 45 Mil LDPE Pond Liner with Seam Tape Pond Lining for Fish Pond Performed Garden Ponds Large Pond Liner for Fishpond Koi Pond Waterfall Streams (9.8 x 13.1FT)
PAMAZY$99.101.0★
POPOSOAP Preformed Pond Liner 33 Gallon Rigid Pond Liner with Integrated Plant Shelves Heavy Duty U-V Resistant Plastic Preformed Pond for Backyard Patio Fountain Water Lily and Koi Pond-P797
POPOSOAP$186.403.2★
What buyers say about pond liner
What buyers praise and complain about, mined from review topics.What buyers love
“Good quality and easy to install”
“Durable,”
“Easy to use”
“Thick, Easy to Install”
“As described”
“Sturdy”
“Good value”
“Very heavy dury we laid it over a plastic kiddie pool so far so good”
“Fits perfect”
“Excellent liner that is very sturdy and waterproof”
What buyers complain about
“a small leak”
“Its thick”
“Absolute garbage”
“Smaller than I was expecting”
“Not durable at all”
“Didn't hold water”
“I am not happy with the material's durability”
“It isn't flexible at all”
“Pictures are deceiving”
“NOT worth the price”
Top return reasons
Common questions
- Is pond liner profitable to sell on Amazon United States?
- The niche generates $2.5M/yr across 24 tracked products. 2 of 5 products launched in the last 360 days are still selling. 90-day search growth is +77.7%. Flapen's verdict: Launch it (70/100).
- How competitive is the pond liner niche?
- 15 brands and 20 sellers compete. The top 5 products take 57% of clicks and top 5 brands hold 70% of demand.
- What do buyers complain about in pond liner?
- Top complaints mined from reviews: Leak-Proof, Thickness, Quality-Overall. The return rate is 2.3%.
- When does demand for pond liner peak?
- Demand peaks in Apr–May–Jun–Jul; the busiest month runs 5.3× the quietest.
- What does it cost to enter the pond liner niche?
- Listings span $19.08–$265.81; the average listing price is $85.07 (sweet spot $15–$100). The average incumbent carries 319 reviews — the moat a new listing must climb.