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Straight 8

Fail

Demand is soft, at -25.7% this quarter, so Straight 8 is a Fail.

Flapen Score
43
43 / 100
Ranks 10,775 of 14,768 Health & Household niches · −6 vs the category median of 49
Market size
$76K/yr51K searches / yr
90-day growth
-25.7%search demand this quarter
Competition
48%top-5 click share · 22 brands · 43 sellers

Flapen Score

Straight 8 against its category

The dotted line is the Health & Household average. Past it, Straight 8 is stronger. Inside it, weaker.

43Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Straight 8 market on Amazon at a glance

Shoppers on Amazon United States searched for Straight 8 51K times last year and spent an estimated $76K. The top 5 brands take 65% of clicks. Demand peaks in Jul–Aug. Flapen scores it 43 out of 100, a Fail.

01 · Demand

An estimated 2.9% 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 States for this niche's terms. An estimated 2.9% of those searches ended in a purchase. Searches in the last 90 days moved -25.7% against the 90 days before. Searches, conversion and average price together put the market at an estimated $76K a year.

Searches, last 12 months
51K
Growth, 90 days vs prior 90
-25.7%
Conversion, latest week
2.9%
Market size, estimated
$76Ka year
Peak month
August2.4× the quietest month
Top search term
back alignment device9K searches a year

02 · Price

A sale here is worth $50.48.

Listings sell for $50.48 on average, from $17.49 to $269.77. Amazon reports units sold in ranges. This niche sold 3K to 3K a year. The average listing sells 100 to 250 of them. At $50.48 that is $5K to $13K a year per listing.

Average price
$50.48inside the $15 to $100 sweet spot
Price range
$17.49–$269.77
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
3K–3K
Units per listing a year
100–250
Revenue per listing a year
$5K–$13K
Returns
6.9%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is ads and reviews.

97% of listings pay for placement with sponsored ads. 97% ship with Prime. On an average day, 7.7% of listings are out of stock. The average listing ranks #139 within Braces, Splints & Supports. It carries 7,228 reviews at 3.96 stars, so a new listing needs social proof before a better product.

Sponsored listings
97%
Prime listings
97%
Out of stock, average day
7.7%
Average rank
#139in Braces, Splints & Supports
Average rating
3.96 starsAmazon United States average 4.42 stars
Average reviews
7,228per listing
Listings tracked
31

04 · Newcomers

1 of last year's 3 launches cleared the first-year sales bar.

3 products launched here in the last 12 months. 1 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 48 months on average, so the names here are settling in.

Launched, last 12 months
3
Successful launches
1Amazon's first-year sales bar
Average brand age
48 months

Products

Top Straight 8 products & what they sell for

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

Sign in to see the products

The products selling in this niche are for signed-in readers. Every market figure above stays open to everyone.

Competition

Competition: brands, sellers & click share

The top 5 products take 48% of clicks. Leaders hold, but buyers still shop past them.

Brands

22 rising

Sellers

43

Top-5 brand share

65%

Top 20: 99%

Top-5 click share

48%

Top 20: 87%

Open market

31%

  • Brand 125%
  • Brand 218%
  • Brand 38%
  • Brand 47%
  • Brand 57%
  • Brand 64%

Demand

Straight 8 search demand

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

2K1KSpike '25Prime Day '25SepDecMarJunAugNovMarMay

Peak months: Jul, Aug · busiest ÷ quietest = 2.4×

Search terms

Top Straight 8 search terms shoppers use

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

  • back alignment device9K/yr
  • kyphosis9K/yr
  • copper compression posture corrector6K/yr
  • kizu spine posture corrector for men10K/yr
  • kizu spine belt3K/yr
  • backembrace posture corrector3K/yr
  • the natural posture3K/yr
  • kizu spine4K/yr
  • pwr posture brace2K/yr
  • ergonomic back posture corrector427/yr

Reviews and returns

What reviews say buyers love and hate about Straight 8

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

17%of positive reviews mention “Posture Enhancer”
13%of negative reviews mention “Size-Overall”
6.9%of orders come back
“Too big”
A buyer, on “Size-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.

17 topics

NegativePositive

FAQ

Common Straight 8 questions

Answered from the same tracked data.