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King Size Pillow Cases

Fail

Shoppers spend an estimated $46K a year here, so King Size Pillow Cases is a Fail.

Flapen Score
40
40 / 100
Ranks 4,839 of 5,777 Home & Garden niches · −11 vs the category median of 51
Market size
£46K/yr131K searches / yr
90-day growth
-26.5%search demand this quarter
Competition
50%top-5 click share · 17 brands · 20 sellers

Flapen Score

King Size Pillow Cases against its category

The dotted line is the Home & Garden average. Past it, King Size Pillow Cases is stronger. Inside it, weaker.

40Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The King Size Pillow Cases market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for King Size Pillow Cases 131K times last year and spent an estimated £46K. The top 5 brands take 72% of clicks. Flapen scores it 40 out of 100, a Fail.

01 · Demand

An estimated 3.7% of those searches ended in a purchase.

Shoppers searched for this 131K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 3.7% of those searches ended in a purchase. Searches in the last 90 days moved -26.5% against the 90 days before. Searches, conversion and average price together put the market at an estimated £46K a year.

Searches, last 12 months
131K
Growth, 90 days vs prior 90
-26.5%
Conversion, latest week
3.7%
Market size, estimated
£46Ka year
Peak month
November1.5× the quietest month
Top search term
extra large pillow cases31K searches a year

02 · Price

A sale here is worth £9.50.

Listings sell for £9.50 on average, from £4.56 to £19.85. Amazon reports units sold in ranges. This niche sold 5K to 6K a year. The average listing sells 100 to 250 of them. At £9.50 that is £950 to £2K a year per listing.

Average price
£9.50under the $15 to $100 sweet spot
Price range
£4.56–£19.85
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
5K–6K
Units per listing a year
100–250
Revenue per listing a year
£950–£2K
Returns
1.0%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is reviews.

76% of listings pay for placement with sponsored ads. 93% ship with Prime. On an average day, 10.1% of listings are out of stock. The average listing ranks #94 within Cushions & Accessories. It carries 17,899 reviews at 4.49 stars, so a new listing needs social proof before a better product.

Sponsored listings
76%
Prime listings
93%
Out of stock, average day
10.1%
Average rank
#94in Cushions & Accessories
Average rating
4.49 starsAmazon United Kingdom average 4.36 stars
Average reviews
17,899per listing
Listings tracked
29

04 · Newcomers

Brands here are settling in.

The brands on the shelf have sold for 57 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
57 months

Products

Top King Size Pillow Cases 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 27, 2026. The live listing can differ.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 50% of clicks. Leaders hold, but buyers still shop past them.

£0£2K£4K£6K£7K101001K10K100K1.0M Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

17 falling

Sellers

20

Est. top-5 brand share

72%

Top 20: 100%

Est. top-5 click share

50%

Top 20: 92%

Open market

24%

  • CGK Unlimited37%
  • NTBAY22%
  • Lirex5%
  • Ethel May5%
  • Comfort Beddings4%
  • Utopia Bedding4%

Demand

King Size Pillow Cases search demand

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

3K2KSpike '25Spike '26DecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

No pronounced peak months · busiest ÷ quietest = 1.5×

Search terms

Top King Size Pillow Cases search terms shoppers use

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

  • extra large pillow cases31K/yr
  • king size pillow cases29K/yr
  • large pillow cases 2 pack14K/yr
  • king size pillow cases 2 pack6K/yr
  • 50 x 90 pillow case7K/yr
  • kingsize pillow cases6K/yr
  • extra large pillow cases 70 x 90 cotton5K/yr
  • king pillow cases6K/yr
  • extra large pillow case6K/yr
  • 50x90 pillow cases6K/yr

Reviews and returns

What reviews say buyers love and hate about King Size Pillow Cases

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

25%of positive reviews mention “Quality-Overall”
26%of negative reviews mention “Size-Overall”
1.0%of orders come back
“Too narrow”
A buyer, on “Size-Overall”26% 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.

15 topics

NegativePositive

FAQ

Common King Size Pillow Cases 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