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13x21 Pillow Insert

Fail

Shoppers spend an estimated $42K a year here, so 13x21 Pillow Insert is a Fail.

Flapen Score
41
41 / 100
Ranks 8,763 of 11,240 Home & Kitchen niches · −8 vs the category median of 49
Market size
$42K/yr16K searches / yr
90-day growth
+22.7%search demand this quarter
Competition
77%top-5 click share · 7 brands · 9 sellers

Flapen Score

13x21 Pillow Insert against its category

The dotted line is the Home & Kitchen average. Past it, 13x21 Pillow Insert is stronger. Inside it, weaker.

41Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The 13x21 Pillow Insert market on Amazon at a glance

Shoppers on Amazon United States searched for 13x21 Pillow Insert 16K times last year and spent an estimated $42K. The top 5 brands take 93% of clicks. Flapen scores it 41 out of 100, a Fail.

01 · Demand

An estimated 11.9% of those searches ended in a purchase.

Shoppers searched for this 16K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 11.9% of those searches ended in a purchase. Searches in the last 90 days moved +22.7% against the 90 days before. Searches, conversion and average price together put the market at an estimated $42K a year.

Searches, last 12 months
16K
Growth, 90 days vs prior 90
+22.7%
Conversion, latest week
11.9%
Market size, estimated
$42Ka year
Top search term
13x21 pillow insert11K searches a year

02 · Price

A sale here is worth $22.00.

Listings sell for $22.00 on average, from $9.62 to $33.31. Amazon reports units sold in ranges. This niche sold 3K to 3K a year. The average listing sells 250 to 500 of them. At $22.00 that is $6K to $11K a year per listing.

Average price
$22.00inside the $15 to $100 sweet spot
Price range
$9.62–$33.31
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
3K–3K
Units per listing a year
250–500
Revenue per listing a year
$6K–$11K
Returns
3.0%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is reviews.

83% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #64 within Decorative Pillows, Inserts & Covers. It carries 27,689 reviews at 4.53 stars, so a new listing needs social proof before a better product.

Sponsored listings
83%
Prime listings
100%
Out of stock, average day
0.0%
Average rank
#64in Decorative Pillows, Inserts & Covers
Average rating
4.53 starsAmazon United States average 4.42 stars
Average reviews
27,689per listing
Listings tracked
12

04 · Newcomers

Brands here are settling in.

The brands on the shelf have sold for 44 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
44 months

Products

Top 13x21 Pillow Insert 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 77% of clicks. A locked shelf that new listings rarely crack.

Brands

7 rising

Sellers

9

Top-5 brand share

93%

Top 20: 100%

Top-5 click share

77%

Top 20: 100%

Open market

3%

  • Brand 144%
  • Brand 229%
  • Brand 310%
  • Brand 45%
  • Brand 54%
  • Brand 64%
  • Open — no brand owns it (1 brand, 3%)

Demand

13x21 Pillow Insert search demand

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

400300Black Friday '25Spike '26SepOctNovDecJanFebMarAprMayJunJul

Peak months: Jul · busiest ÷ quietest = 1.6× · 11 of 12 months tracked

Reviews and returns

What reviews say buyers love and hate about 13x21 Pillow Insert

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

19%of positive reviews mention “Size-Overall”
13%of negative reviews mention “Quality-Overall”
3.0%of orders come back
“its just low quality and flat”
A buyer, on “Quality-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.

16 topics

NegativePositive

FAQ

Common 13x21 Pillow Insert questions

Answered from the same tracked data.