18x33 winter pool cover oval
Worth a lookShows demand growing +253.5% this quarter, but brand-locked demand (top 5 brands take 97% of clicks) keeps it on the watch list.
Growth
Incredible+253.5%90-day search growth — must beat 0% to launch
Returns
Great1.3%return rate — above 5% kills the launch gate
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Review moat
Good613.5avg incumbent reviews — the moat a new listing must climb
Avg price
Good$107.66avg listing price — sweet spot $15–$100
Price range
Okay$57.77–$154.42cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Okay3.1%search→purchase rate — share of searches ending in a sale
Competition
Bad76%top-5 click share — a locked-up shelf
Market size
Bad$60K$60K/yr · 18K searches
Brand share
Bad97%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, 18x33 winter pool cover oval is a $60K/yr Amazon United States market (18K searches/yr). The top 5 brands hold 97% of demand. Demand peaks in Aug–Sep–Oct. Verdict: Worth a look — 51/100.
Data updated Jul 24, 2026 · scored weekly · How we score niches
18x33 winter pool cover oval market data
- Units sold / yr
- 1K–2K
- avg 0–100/product
- Revenue / yr
- $135K–$161K
- units × avg price
- Conversion rate
- 3.1%
- Avg BSR
- #453
- Page quality
- 0%
- Prime
- 92%
- Sponsored
- 83%
- Out of stock
- 13.5%
- Avg brand age
- 60 months
- Avg seller age
- 232 days
Competition & brand share
The top 5 products capture 76% of clicks — a locked-up shelf that new listings rarely crack.Brands
6 falling
Sellers
14
Top-5 brand share
97%
Top 20: 100%
Top-5 click share
76%
Top 20: 100%
Open market
0%
- QH.HOME62%
- Pool Mate13%
- Robelle12%
- Winter Block6%
- iBirdie4%
- Swimline3%
- Open — no brand owns it (0%)
Demand & seasonality
Weekly Amazon search volume, last 97 weeks — +253.5% search growth over the last 90 days.Peak months: Aug, Sep, Oct · busiest ÷ quietest = 70.4×
Top 18x33 winter pool cover oval search terms
- 18x33 pool cover5K/yr
- 18 x 33 oval above ground pool winter cover4K/yr
- 18x33 winter pool cover oval10K/yr
Top 18x33 winter pool cover oval 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 12 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share![QH.HOME 18x33 Ft Oval Pool Cover for Steel Wall Pool [Ultimate Windproof & Tear-Resistant Fabric] Snug Fit with Patented Ratchet & Weight Rings Blocks Leaves &Waterproof](https://m.media-amazon.com/images/I/41K6OdsyoJL.jpg)
QH.HOME 18x33 Ft Oval Pool Cover for Steel Wall Pool [Ultimate Windproof & Tear-Resistant Fabric] Snug Fit with Patented Ratchet & Weight Rings Blocks Leaves &Waterproof
QH.HOME$139.424.2★1,372 rev
![QH.HOME 18x33 Ft Oval Pool Cover for Steel Wall Oval Pool [Excellent Windproof ] with Adjustable Buckle Straps & Drawstring Hem. [Durable Tear Resistant]](https://m.media-amazon.com/images/I/31Htld8T9qL.jpg)
QH.HOME 18x33 Ft Oval Pool Cover for Steel Wall Oval Pool [Excellent Windproof ] with Adjustable Buckle Straps & Drawstring Hem. [Durable Tear Resistant]
QH.HOME$134.394.2★179 rev

QH.HOME 18x33Ft Heavy Duty Winter Oval Pool Cover for Above Steel Wall Pool Super Windproof Ratchet Straps (1 500lb Break Strength)-Effective Installation/Removal Snug Fit Blocks Leaves Sun & Water
QH.HOME$154.424.4★152 rev

Pool Mate 18 x 33 ft Classic Blue Winter Oval Pool Cover for Above Ground Pools 4 ft Overlap (22 x 37 ft Cover Size) Solid 8 x 8 Scrim 2.36 oz/yd2 10-Year Warranty Style: 351833-4PM
Pool Mate$77.854.1★1,053 rev

Winter Block Premium Winter Pool Cover for Above Ground Oval Pool 18 x 33 Ft. Aboveground Pools Winter Cover 8-Year Warranty Includes Winch and Cable Strength & Durability UV Protection
Winter Block$60.353.8★2,073 rev
Newest
by launch date![QH.HOME 18x33 Ft Oval Pool Cover for Steel Wall Pool [Ultimate Windproof & Tear-Resistant Fabric] Snug Fit with Patented Ratchet & Weight Rings Blocks Leaves &Waterproof](https://m.media-amazon.com/images/I/41K6OdsyoJL.jpg)
QH.HOME 18x33 Ft Oval Pool Cover for Steel Wall Pool [Ultimate Windproof & Tear-Resistant Fabric] Snug Fit with Patented Ratchet & Weight Rings Blocks Leaves &Waterproof
QH.HOME$139.421,372 rev
![QH.HOME 18x33 Ft Oval Pool Cover for Steel Wall Oval Pool [Excellent Windproof ] with Adjustable Buckle Straps & Drawstring Hem. [Durable Tear Resistant]](https://m.media-amazon.com/images/I/31Htld8T9qL.jpg)
QH.HOME 18x33 Ft Oval Pool Cover for Steel Wall Oval Pool [Excellent Windproof ] with Adjustable Buckle Straps & Drawstring Hem. [Durable Tear Resistant]
QH.HOME$134.39179 rev

QH.HOME 18x33Ft Heavy Duty Winter Oval Pool Cover for Above Steel Wall Pool Super Windproof Ratchet Straps (1 500lb Break Strength)-Effective Installation/Removal Snug Fit Blocks Leaves Sun & Water
QH.HOME$154.42152 rev
![QH.HOME 550D 18x33 FT Oval Pool Cover [Upgraded Tear Resistant & Threefold Windproof] wth Pre-Installed Winch and Rope Pool Covers for Above Ground Pools Oval-Snug Fit & Waterproof Protection](https://m.media-amazon.com/images/I/41PjsG15jfL.jpg)
QH.HOME 550D 18x33 FT Oval Pool Cover [Upgraded Tear Resistant & Threefold Windproof] wth Pre-Installed Winch and Rope Pool Covers for Above Ground Pools Oval-Snug Fit & Waterproof Protection
QH.HOME$144.96297 rev

iBirdie Winter Pool Cover fit 18 x 33 19 x 34 Above Ground Oval Pools Fade-Resistant Tear-Resistant Waterproof and Weatherproof for Outdoor Protection Black Fabric 500D
iBirdie$143.4584 rev
Trending
90-day click momentum![QH.HOME 550D 18x33 FT Oval Pool Cover [Upgraded Tear Resistant & Threefold Windproof] wth Pre-Installed Winch and Rope Pool Covers for Above Ground Pools Oval-Snug Fit & Waterproof Protection](https://m.media-amazon.com/images/I/41PjsG15jfL.jpg)
QH.HOME 550D 18x33 FT Oval Pool Cover [Upgraded Tear Resistant & Threefold Windproof] wth Pre-Installed Winch and Rope Pool Covers for Above Ground Pools Oval-Snug Fit & Waterproof Protection
QH.HOME$144.964.4★
![QH.HOME 18x33 Ft Oval Pool Cover for Steel Wall Oval Pool [Excellent Windproof ] with Adjustable Buckle Straps & Drawstring Hem. [Durable Tear Resistant]](https://m.media-amazon.com/images/I/31Htld8T9qL.jpg)
QH.HOME 18x33 Ft Oval Pool Cover for Steel Wall Oval Pool [Excellent Windproof ] with Adjustable Buckle Straps & Drawstring Hem. [Durable Tear Resistant]
QH.HOME$134.394.2★
![QH.HOME 18x33 Ft Oval Pool Cover for Steel Wall Pool [Ultimate Windproof & Tear-Resistant Fabric] Snug Fit with Patented Ratchet & Weight Rings Blocks Leaves &Waterproof](https://m.media-amazon.com/images/I/41K6OdsyoJL.jpg)
QH.HOME 18x33 Ft Oval Pool Cover for Steel Wall Pool [Ultimate Windproof & Tear-Resistant Fabric] Snug Fit with Patented Ratchet & Weight Rings Blocks Leaves &Waterproof
QH.HOME$139.424.2★

QH.HOME 18x33Ft Heavy Duty Winter Oval Pool Cover for Above Steel Wall Pool Super Windproof Ratchet Straps (1 500lb Break Strength)-Effective Installation/Removal Snug Fit Blocks Leaves Sun & Water
QH.HOME$154.424.4★

Robelle 18 x 33 ft Heavy Duty Silver Winter Oval Pool Cover for Above Ground Pools 4 ft Overlap (22 x 37 ft Cover Size) Solid 8 x 8 Scrim 2.36 oz/yd2 10-Year Warranty Style: 551833-4-ROB
Robelle$98.684.3★
What buyers say about 18x33 winter pool cover oval
What buyers praise and complain about, mined from review topics.What buyers love
“This was installed correctly”
“was a thick cover that I was wanting”
“For the price would buy again”
“Good product”
“Fit just right”
What buyers complain about
“Trouble workmanship”
“still didnt hold up”
Top return reasons
Common questions
- Is 18x33 winter pool cover oval profitable to sell on Amazon United States?
- The niche generates $60K/yr across 12 tracked products. 2 of 4 products launched in the last 360 days are still selling. 90-day search growth is +253.5%. Flapen's verdict: Worth a look (51/100).
- How competitive is the 18x33 winter pool cover oval niche?
- 6 brands and 14 sellers compete. The top 5 products take 76% of clicks and top 5 brands hold 97% of demand.
- What do buyers complain about in 18x33 winter pool cover oval?
- Top complaints mined from reviews: Quality-Overall, Durability. The return rate is 1.3%.
- When does demand for 18x33 winter pool cover oval peak?
- Demand peaks in Aug–Sep–Oct; the busiest month runs 70.4× the quietest.
- What does it cost to enter the 18x33 winter pool cover oval niche?
- Listings span $57.77–$154.42; the average listing price is $107.66 (sweet spot $15–$100). The average incumbent carries 614 reviews — the moat a new listing must climb.