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Flex Seal Black

Maybe

Returns run at only 0.2% of orders. But the top 5 brands take 97% of clicks, so Flex Seal Black is a Maybe.

Flapen Score
54
54 / 100
Top 24% of 9,536 Tools & Home Improvement niches · +6 vs the category median of 48
Market size
$80K/yr32K searches / yr
90-day growth
+63.6%search demand this quarter
Competition
68%top-5 click share · 7 brands · 112 sellers

Flapen Score

Flex Seal Black against its category

The dotted line is the Tools & Home Improvement average. Past it, Flex Seal Black is stronger. Inside it, weaker.

54Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Flex Seal Black market on Amazon at a glance

Shoppers on Amazon United States searched for Flex Seal Black 32K times last year and spent an estimated $80K. The top 5 brands take 97% of clicks. Demand peaks in May–Sep. Flapen scores it 54 out of 100, a Maybe.

01 · Demand

9.4% of searches ended in a purchase last week.

Shoppers searched for this 32K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. In the latest week, 9.4% of those searches ended in a purchase. Searches in the last 90 days moved +63.6% against the 90 days before. Searches, conversion and average price together put the market at an estimated $80K a year.

Searches, last 12 months
32K
Growth, 90 days vs prior 90
+63.6%
Conversion, latest week
9.4%
Market size, estimated
$80Ka year
Peak month
September18.1× the quietest month
Top search term
flex seal black13K searches a year

02 · Price

A sale here is worth $26.88.

Listings sell for $26.88 on average, from $6.20 to $108.32. Amazon reports units sold in ranges. This niche sold 4K to 5K a year. The average listing sells 100 to 250 of them. At $26.88 that is $3K to $7K a year per listing.

Average price
$26.88inside the $15 to $100 sweet spot
Price range
$6.20–$108.32
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
4K–5K
Units per listing a year
100–250
Revenue per listing a year
$3K–$7K
Returns
0.2%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is reviews.

63% of listings pay for placement with sponsored ads. 94% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #44 within Adhesives & Sealers. It carries 12,405 reviews at 4.39 stars, so a new listing needs social proof before a better product.

Sponsored listings
63%
Prime listings
94%
Out of stock, average day
0.0%
Average rank
#44in Adhesives & Sealers
Average rating
4.39 starsAmazon United States average 4.42 stars
Average reviews
12,405per listing
Listings tracked
16

04 · Newcomers

Brands here are established.

The brands on the shelf have sold for 63 months on average, so the names here are established.

Launched, last 12 months
0
Successful launches
0Amazon's first-year sales bar
Average brand age
63 months

Products

Top Flex Seal Black products & what they sell for

Every tracked product: its share of the shelf, its reviews, and its price.

Competition

Competition: brands, sellers & click share

The top 5 products take 68% of clicks. Leaders hold, but buyers still shop past them.

$0$8K$16K$24K$32K101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

7 falling

Sellers

112

Top-5 brand share

97%

Top 20: 100%

Top-5 click share

68%

Top 20: 100%

Open market

1%

  • Flex Seal70%
  • Flex Seal Liquid18%
  • Flex Shot3%
  • Leak Stopper3%
  • GORILLA2%
  • Flex Paste2%
  • Open — no brand owns it (1 brand, 1%)

Demand

Flex Seal Black search demand

Weekly searches over the year, seasonality beneath. Pick a range.

25K15KSpike '24Spike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

Peak months: May, Sep · busiest ÷ quietest = 18.1×

Search terms

Top Flex Seal Black search terms shoppers use

The exact words shoppers type, with yearly volume, growth, and conversion.

  • flex seal black13K/yr
  • black flex seal7K/yr
  • flex seal spray black7K/yr
  • flex seal black spray2K/yr
  • black flex seal spray2K/yr

Reviews and returns

What reviews say buyers love and hate about Flex Seal Black

We read the reviews and the return reasons for every product selling here.

22%of positive reviews mention “Quality-Overall”
13%of negative reviews mention “Functionality-Overall”
0.2%of orders come back
“Didn't work properly”
A buyer, on “Functionality-Overall”13% of negative reviews mention the same topic

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.

18 topics

NegativePositive

FAQ

Common Flex Seal Black questions

Answered from the same tracked data.