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California King Duvet Insert

Fail

The average product has 40,788 reviews to catch up to, so California King Duvet Insert is a Fail.

Flapen Score
46
46 / 100
Ranks 6,876 of 11,240 Home & Kitchen niches · −3 vs the category median of 49
Market size
$833K/yr386K searches / yr
90-day growth
-20.0%search demand this quarter
Competition
59%top-5 click share · 15 brands · 24 sellers

Flapen Score

California King Duvet Insert against its category

The dotted line is the Home & Kitchen average. Past it, California King Duvet Insert is stronger. Inside it, weaker.

46Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The California King Duvet Insert market on Amazon at a glance

Shoppers on Amazon United States searched for California King Duvet Insert 386K times last year and spent an estimated $833K. The top 5 brands take 77% of clicks. Demand peaks in Nov–Dec. Flapen scores it 46 out of 100, a Fail.

01 · Demand

An estimated 2.9% of those searches ended in a purchase.

Shoppers searched for this 386K 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 -20.0% against the 90 days before. Searches, conversion and average price together put the market at an estimated $833K a year.

Searches, last 12 months
386K
Growth, 90 days vs prior 90
-20.0%
Conversion, latest week
2.9%
Market size, estimated
$833Ka year
Peak month
November1.8× the quietest month
Top search term
california king duvet insert86K searches a year

02 · Price

A sale here is worth $73.95.

Listings sell for $73.95 on average, from $26.41 to $156.82. Amazon reports units sold in ranges. This niche sold 10K to 13K a year. The average listing sells 250 to 500 of them. At $73.95 that is $18K to $37K a year per listing.

Average price
$73.95inside the $15 to $100 sweet spot
Price range
$26.41–$156.82
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
10K–13K
Units per listing a year
250–500
Revenue per listing a year
$18K–$37K
Returns
2.5%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is ads and reviews.

96% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 7.4% of listings are out of stock. The average listing ranks #30 within Comforters & Sets. It carries 40,788 reviews at 4.50 stars, so a new listing needs social proof before a better product.

Sponsored listings
96%
Prime listings
100%
Out of stock, average day
7.4%
Average rank
#30in Comforters & Sets
Average rating
4.50 starsAmazon United States average 4.42 stars
Average reviews
40,788per listing
Listings tracked
24

04 · Newcomers

2 of last year's 2 launches cleared the first-year sales bar.

2 products launched here in the last 12 months. 2 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 52 months on average, so the names here are settling in.

Launched, last 12 months
2
Successful launches
2Amazon's first-year sales bar
Average brand age
52 months

Products

Top California King Duvet 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 59% of clicks. Leaders hold, but buyers still shop past them.

Brands

15 flat

Sellers

24

Top-5 brand share

77%

Top 20: 100%

Top-5 click share

59%

Top 20: 96%

Open market

19%

  • Brand 131%
  • Brand 224%
  • Brand 310%
  • Brand 48%
  • Brand 55%
  • Brand 63%

Demand

California King Duvet Insert search demand

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

13K8KSpike '24Holiday '24Prime Day '25Spike '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Nov, Dec · busiest ÷ quietest = 1.8×

Search terms

Top California King Duvet Insert search terms shoppers use

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

  • california king duvet insert86K/yr
  • california king duvet51K/yr
  • california king down comforter40K/yr
  • duvet insert california king37K/yr
  • down comforter california king size38K/yr
  • cal king duvet insert25K/yr
  • cal king duvet19K/yr
  • duvet california king19K/yr
  • cali king duvet insert11K/yr
  • cal king down comforter14K/yr

Reviews and returns

What reviews say buyers love and hate about California King Duvet Insert

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

18%of positive reviews mention “Comfort-Overall”
9%of negative reviews mention “Size-Overall”
2.5%of orders come back
“Was bigger”
A buyer, on “Size-Overall”9% 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 California King Duvet Insert questions

Answered from the same tracked data.