toilet seal
Skip itA small market ($74K/yr) — this niche doesn't clear our bar today.
Conversion
Great8.8%search→purchase rate — share of searches ending in a sale
Returns
Good2.1%return rate — above 5% kills the launch gate
Price range
Good$6.59–$29.34cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Avg price
Good$12.72avg listing price — sweet spot $15–$100
Brand share
Okay78%top-5 brand share — brands hold most of the demand
Review moat
Okay3,110.05avg incumbent reviews — the moat a new listing must climb
Growth
Okay+4.9%90-day search growth — must beat 0% to launch
Competition
Okay68%top-5 click share — leaders hold, buyers still browse
Market size
Bad$74K$74K/yr · 66K searches
According to Flapen's Amazon United States niche tracking, toilet seal is a $74K/yr Amazon United States market (66K searches/yr). The top 5 brands hold 78% of demand. Demand peaks in Jan–Mar–Oct. Verdict: Skip it — 45/100.
Data updated Jul 29, 2026 · scored weekly · How we score niches
toilet seal market data
- Units sold / yr
- 6K–8K
- avg 250–500/product
- Revenue / yr
- $76K–$102K
- units × avg price
- Conversion rate
- 8.8%
- Avg BSR
- #298
- Page quality
- 0%
- Prime
- 95%
- Sponsored
- 90%
- Out of stock
- 0.0%
- Avg brand age
- 46 months
- Avg seller age
- 155 days
Competition & brand share
The top 5 products take 68% of clicks — established leaders, but buyers still shop beyond them.Brands
14 falling
Sellers
100
Top-5 brand share
78%
Top 20: 100%
Top-5 click share
68%
Top 20: 100%
Open market
17%
- Danco30%
- Korky20%
- TOUSEA16%
- Hibbent7%
- BLUEJUNWEI5%
- Fixmend4%
- Open — no brand owns it (8 brands, 17%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +4.9% search growth over the last 90 days.Peak months: Jan, Mar, Oct · busiest ÷ quietest = 1.9×
Top toilet seal search terms
- toilet seal48K/yr
- danco all in one toilet installation kit6K/yr
- toilet bowl seal6K/yr
- danco perfect seal3K/yr
- toilet seals3K/yr
Top toilet seal 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 20 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
DANCO All-in-One Toilet Installation Kit Perfect Seal Wax Ring & Zero Cut Bolts Toilet Repair Wax-Free Mounting Toilet Bolts (10879X)
Danco$15.684.4★4,060 rev
Korky 6000BP Universal Toilet WaxFree Seal with Hardware - Toilet Installation Made Easy - Made in USA Red
Korky$12.024.5★1,457 rev
TOUSEA Professional Waterproof Caulk Strip - Self Adhesive White Sealing Tape for Toilet Tub Peel and Stick Backsplash Finisher - Renter Friendly Easy Install
TOUSEA$9.794.2★10,832 rev
Hibbent Extra Thick Toilet Wax Ring Replacement Kit Universal Toilet Seal Ring with Brass Toilet Floor Bolts and Retainer Washers PE Flange Fits 3 Inch and 4 Inch Drain Pipes
Hibbent$10.774.7★226 rev
Danco Perfect Seal Toilet Wax Ring with Bolts (10826X)
Danco$9.044.5★552 rev
Newest
by launch dateHibbent Extra Thick Toilet Wax Ring Replacement Kit Universal Toilet Seal Ring with Brass Toilet Floor Bolts and Retainer Washers PE Flange Fits 3 Inch and 4 Inch Drain Pipes
Hibbent$10.77226 rev
Flush Valve Seal for Mansfield 210/211 Flush Valve Upgraded Silicone Material Mansfield Toilet Replacement Parts 160 Toilet Gasket Equivalent to 630-0030 2Pcs
Hidnvefen$7.9582 rev
MENNTY Toilet Flange Repair Kit with Elastic Seal Fits 3in & 4in Drains
MENNTY$22.95218 rev
Caulk Tape Toilet Caulk Strip Waterproof Traditional Caulking Replacement Caulking Sealant Tape for Kitchen Sink Bathroom Countertop Shower Bathtub Edge Protector (1.5 x 10.5Ft)
BLUEJUNWEI$7.25567 rev
Caulk Tape Self Adhesive 1 Rolls Waterproof Caulk Strip Toilet Sealer Around Toilet Base Traditional Caulking Replacement Caulking Tape for Bathroom Bathtub Floor Wall Edge Protector (1)
BLUEJUNWEI$7.23654 rev
Trending
90-day click momentum
Fluidmaster 7530P8 Universal Better Than Wax Toilet Seal Wax-Free Toilet Bowl Gasket Fits Any Drain 2 Pack
Fluidmaster$23.824.5★
White Caulk Tape for Bath & Kitchen Caulking Tape for Bathroom Caulking White Self Adhesive Caulk Strip tub Surround Toilet Bowl Stick on Gel Kitchen Countertop (1.5in x 10.5ft)
TOUSEA$10.044.2★
Danco Perfect Seal Toilet Wax Ring with Bolts (10826X)
Danco$9.044.5★
Hibbent Extra Thick Toilet Wax Ring Replacement Kit Universal Toilet Seal Ring with Brass Toilet Floor Bolts and Retainer Washers PE Flange Fits 3 Inch and 4 Inch Drain Pipes
Hibbent$10.774.7★
One N Done Toilet Flange Repair Kit - Toilet Kit For Low or Broken Toilet Flange. Toilet Wax Ring Replacement Kit W/Toilet Flange Extender Kit. No Wax Ring For Toilet Bowl Or Toilet Seal Required (1)
One-N-Done$29.344.4★
What buyers say about toilet seal
What buyers praise and complain about, mined from review topics.What buyers love
“EASY TO USE”
“Good product and easy to use”
“Super sticky adhesive”
“Super Effective”
“installed without any issues”
“Accurate description”
“keeping the area clean”
“Worth The Price”
“Stopped leak”
“Fit perfect”
What buyers complain about
“Adhesion is not good”
“Doesn't work as advertised”
“Not Worth the Money”
“Poor quality”
“Too difficult to operate”
“NOT DURABLE”
“that is probably my error when installing it”
“Leaks”
“Too wide”
“not as shown”
Top return reasons
Common questions
- Is toilet seal profitable to sell on Amazon United States?
- The niche generates $74K/yr across 20 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +4.9%. Flapen's verdict: Skip it (45/100).
- How competitive is the toilet seal niche?
- 14 brands and 100 sellers compete. The top 5 products take 68% of clicks and top 5 brands hold 78% of demand.
- What do buyers complain about in toilet seal?
- Top complaints mined from reviews: Adhesion/Stickiness, Functionality-Overall, Value For Money. The return rate is 2.1%.
- When does demand for toilet seal peak?
- Demand peaks in Jan–Mar–Oct; the busiest month runs 1.9× the quietest.
- What does it cost to enter the toilet seal niche?
- Listings span $6.59–$29.34; the average listing price is $12.72 (sweet spot $15–$100). The average incumbent carries 3,110 reviews — the moat a new listing must climb.