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Sinew

Fail

Shoppers spend an estimated $83K a year here, so Sinew is a Fail.

Flapen Score
48
48 / 100
Top 40% of 4,656 Arts, Crafts & Sewing niches · +2 vs the category median of 46
Market size
$83K/yr94K searches / yr
90-day growth
+18.3%search demand this quarter
Competition
59%top-5 click share · 12 brands · 22 sellers

Flapen Score

Sinew against its category

The dotted line is the Arts, Crafts & Sewing average. Past it, Sinew is stronger. Inside it, weaker.

48Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Sinew market on Amazon at a glance

Shoppers on Amazon United States searched for Sinew 94K times last year and spent an estimated $83K. The top 5 brands take 86% of clicks. Flapen scores it 48 out of 100, a Fail.

01 · Demand

An estimated 6.9% of those searches ended in a purchase.

Shoppers searched for this 94K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 6.9% of those searches ended in a purchase. Searches in the last 90 days moved +18.3% against the 90 days before. Searches, conversion and average price together put the market at an estimated $83K a year.

Searches, last 12 months
94K
Growth, 90 days vs prior 90
+18.3%
Conversion, latest week
6.9%
Market size, estimated
$83Ka year
Peak month
July1.4× the quietest month
Top search term
sinew36K searches a year

02 · Price

A sale here is worth $12.88.

Listings sell for $12.88 on average, from $6.52 to $18.29. Amazon reports units sold in ranges. This niche sold 6K to 8K a year. The average listing sells 250 to 500 of them. At $12.88 that is $3K to $6K a year per listing.

Average price
$12.88under the $15 to $100 sweet spot
Price range
$6.52–$18.29
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
6K–8K
Units per listing a year
250–500
Revenue per listing a year
$3K–$6K
Returns
1.2%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is low.

73% of listings pay for placement with sponsored ads. 95% ship with Prime. On an average day, 2.0% of listings are out of stock. The average listing ranks #317 within Beading Supplies. It carries 1,006 reviews at 4.49 stars, so a new listing needs social proof before a better product.

Sponsored listings
73%
Prime listings
95%
Out of stock, average day
2.0%
Average rank
#317in Beading Supplies
Average rating
4.49 starsAmazon United States average 4.42 stars
Average reviews
1,006per listing
Listings tracked
22

04 · Newcomers

Brands here are settling in.

The brands on the shelf have sold for 55 months on average, so the names here are settling in.

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

Products

Top Sinew 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 59% of clicks. Leaders hold, but buyers still shop past them.

Brands

12 falling

Sellers

22

Top-5 brand share

86%

Top 20: 100%

Top-5 click share

59%

Top 20: 98%

Open market

11%

  • Brand 133%
  • Brand 222%
  • Brand 314%
  • Brand 411%
  • Brand 55%
  • Brand 63%
  • Open — no brand owns it (6 brands, 11%)

Demand

Sinew search demand

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

2K2KPrime Day '25Spike '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.4×

Search terms

Top Sinew search terms shoppers use

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

  • sinew36K/yr
  • artificial sinew20K/yr
  • sinew for tie dye13K/yr
  • sinew thread waxed11K/yr
  • sinew thread5K/yr
  • artificial sinew waxed6K/yr
  • sinue thread3K/yr

Reviews and returns

What reviews say buyers love and hate about Sinew

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

16%of positive reviews mention “Quality-Overall”
13%of negative reviews mention “Thickness”
1.2%of orders come back
“The roll I had from the 70's was thicker”
A buyer, on “Thickness”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.

19 topics

NegativePositive

FAQ

Common Sinew questions

Answered from the same tracked data.