Simple Seal
FailShoppers spend an estimated $0 a year here, so Simple Seal is a Fail.
- Flapen Score
- 22 / 100Ranks 2,221 of 2,225 DIY & Tools niches · −27 vs the category median of 4922
- Market size
- £0/yr51K searches / yr
- 90-day growth
- -95.2%search demand this quarter
- Competition
- 96%top-5 click share · 5 brands · 11 sellers
Flapen Score
Simple Seal against its category
The dotted line is the DIY & Tools average. Past it, Simple Seal is stronger. Inside it, weaker.
Market
The Simple Seal market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for Simple Seal 51K times last year and spent an estimated £0. All 5 brands take every click. Demand peaks in Feb–Mar–Sep–Oct. Flapen scores it 22 out of 100, a Fail.
01 · Demand
An estimated 0.0% of those searches ended in a purchase.
Shoppers searched for this 51K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 0.0% of those searches ended in a purchase. Searches in the last 90 days moved -95.2% against the 90 days before. Searches, conversion and average price together put the market at an estimated £0 a year.
- Searches, last 12 months
- 51K
- Growth, 90 days vs prior 90
- -95.2%
- Conversion, latest week
- 0.0%
- Market size, estimated
- £0a year
- Peak month
- February21.5× the quietest month
- Top search term
- simple seal14K searches a year
02 · Price
A sale here is worth £6.58.
Listings sell for £6.58 on average, from £5.71 to £8.17. Amazon reports units sold in ranges. This niche sold 3K to 4K a year. The average listing sells 250 to 500 of them. At £6.58 that is £2K to £3K a year per listing.
- Average price
- £6.58under the $15 to $100 sweet spot
- Price range
- £5.71–£8.17
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 3K–4K
- Units per listing a year
- 250–500
- Revenue per listing a year
- £2K–£3K
- Returns
- 0.6%of orders · Amazon United Kingdom median 0.6%
03 · Entry bar
The bar here is reviews.
86% of listings pay for placement with sponsored ads. 86% ship with Prime. On an average day, 4.1% of listings are out of stock. The average listing ranks #161 within Adhesives & Sealers. It carries 3,392 reviews at 4.09 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 86%
- Prime listings
- 86%
- Out of stock, average day
- 4.1%
- Average rank
- #161in Adhesives & Sealers
- Average rating
- 4.09 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 3,392per listing
- Listings tracked
- 7
04 · Newcomers
0 of last year's 2 launches cleared the first-year sales bar.
2 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 31 months on average, so a newcomer is not facing entrenched names.
- Launched, last 12 months
- 2
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 31 months
Products
Top Simple Seal products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 22, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
HNNHOME 38mm x 3.2m White Self-Adhesive Bath Sealant Strip Waterproof Sealing Tape Caulk Strip for Kitchen Bathroom Wall Corner and Sink (White 1)
- Price
- £5.77
- Rating
- 4.3/5
- Reviews
- 1,405
- Age
- 2y ago

Fixmend Bath Sealant Strip 3 Rolls Bathroom Sealant Tape Waterproof Self Adhesive Caulk Strip for Toilet Kitchen Bathtub Sink Wall Corner with Sealing Tool (38mm x 3.2m)
- Price
- £7.81
- Rating
- 4.2/5
- Reviews
- 8,962
- Age
- 3y ago

Fixmend Bath Sealant Strip Self Adhesive 3 Rolls Caulk Strip Bathroom Sealant Tape White Waterproof Bath Seal for Toilet Bathtub Shower Sink Wall Corner Kitchen with Sealing Tool
- Price
- £8.17
- Rating
- 4.3/5
- Reviews
- 7,005
- Age
- 3y ago

Bath Sealant Strip Bathroom Sealant Caulk Strip Waterproof Instaseal Tape for Bathroom Kitchen Bathtub Toilet Wall Floor with Sealing Tool (126in White)
- Price
- £5.71
- Rating
- 4.1/5
- Reviews
- 1,971
- Age
- 3y ago

JML InstaSeal Sealant Tape - Bathroom Sealant for Mouldy Seals Peel & Stick Self-Adhesive Shower & Bath Sealant Strip No Tools Required - 2 Rolls 38mm x 3.8m Each for Home Kitchen & Bathroom
- Price
- £7.07
- Rating
- 4.4/5
- Reviews
- 86
- Age
- 10mo ago
Trending
estimated 90-day click momentum
Simple Seal Bath Sealant Strip Self Adhesive Simple Seal Tape 1 Roll White Waterproof Sealant Tape with Sealing Tool for Bathroom Kitchen Bathtub Toilet Wall Floor
- Price
- £5.77
- Rating
- 3.2/5
- Reviews
- 6
- Age
- 5mo ago

JML InstaSeal Sealant Tape - Bathroom Sealant for Mouldy Seals Peel & Stick Self-Adhesive Shower & Bath Sealant Strip No Tools Required - 2 Rolls 38mm x 3.8m Each for Home Kitchen & Bathroom
- Price
- £7.07
- Rating
- 4.4/5
- Reviews
- 86
- Age
- 10mo ago

HNNHOME 38mm x 3.2m White Self-Adhesive Bath Sealant Strip Waterproof Sealing Tape Caulk Strip for Kitchen Bathroom Wall Corner and Sink (White 1)
- Price
- £5.77
- Rating
- 4.3/5
- Reviews
- 1,405
- Age
- 2y ago

Fixmend Bath Sealant Strip 3 Rolls Bathroom Sealant Tape Waterproof Self Adhesive Caulk Strip for Toilet Kitchen Bathtub Sink Wall Corner with Sealing Tool (38mm x 3.2m)
- Price
- £7.81
- Rating
- 4.2/5
- Reviews
- 8,962
- Age
- 3y ago

Bath Sealant Strip Bathroom Sealant Caulk Strip Waterproof Instaseal Tape for Bathroom Kitchen Bathtub Toilet Wall Floor with Sealing Tool (126in White)
- Price
- £5.71
- Rating
- 4.1/5
- Reviews
- 1,971
- Age
- 3y ago
Newest
by launch date
Simple Seal Bath Sealant Strip Self Adhesive Simple Seal Tape 1 Roll White Waterproof Sealant Tape with Sealing Tool for Bathroom Kitchen Bathtub Toilet Wall Floor
- Price
- £5.77
- Rating
- 3.2/5
- Reviews
- 6
- Age
- 5mo ago

JML InstaSeal Sealant Tape - Bathroom Sealant for Mouldy Seals Peel & Stick Self-Adhesive Shower & Bath Sealant Strip No Tools Required - 2 Rolls 38mm x 3.8m Each for Home Kitchen & Bathroom
- Price
- £7.07
- Rating
- 4.4/5
- Reviews
- 86
- Age
- 10mo ago

HNNHOME 38mm x 3.2m White Self-Adhesive Bath Sealant Strip Waterproof Sealing Tape Caulk Strip for Kitchen Bathroom Wall Corner and Sink (White 1)
- Price
- £5.77
- Rating
- 4.3/5
- Reviews
- 1,405
- Age
- 2y ago

Bath Sealant Strip Bathroom Sealant Caulk Strip Waterproof Instaseal Tape for Bathroom Kitchen Bathtub Toilet Wall Floor with Sealing Tool (126in White)
- Price
- £5.71
- Rating
- 4.1/5
- Reviews
- 1,971
- Age
- 3y ago

Fixmend Bath Sealant Strip Self Adhesive 3 Rolls Caulk Strip Bathroom Sealant Tape White Waterproof Bath Seal for Toilet Bathtub Shower Sink Wall Corner Kitchen with Sealing Tool
- Price
- £8.17
- Rating
- 4.3/5
- Reviews
- 7,005
- Age
- 3y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 96% of clicks. A locked shelf that new listings rarely crack.
Brands
5 falling
Sellers
11
Est. top-5 brand share
100%
Top 20: 100%
Est. top-5 click share
96%
Top 20: 100%
Open market
0%
- HNNHOME42%
- Fixmend37%
- JML8%
- Wnzdp8%
- BLAZOR4%
- Open — no brand owns it (0%)
Demand
Simple Seal search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Feb, Mar, Sep, Oct · busiest ÷ quietest = 21.5×
Search terms
Top Simple Seal search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- simple seal14K/yr
- simple seal tape for bathroom11K/yr
- simple seal tape5K/yr
- simple seal tape mould free2K/yr
- instaseal tape19K/yr
Reviews and returns
What reviews say buyers love and hate about Simple Seal
We read the reviews and the return reasons for every product selling here.
“Adhesive terrible”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
16 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Simple Seal questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data








