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California King Box Spring

Fail

An estimated 6.9% of orders come back, so California King Box Spring is a Fail.

Flapen Score
47
47 / 100
Ranks 6,404 of 11,240 Home & Kitchen niches · −2 vs the category median of 49
Market size
$496K/yr142K searches / yr
90-day growth
-0.5%search demand this quarter
Competition
50%top-5 click share · 17 brands · 20 sellers

Flapen Score

California King Box Spring against its category

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

47Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The California King Box Spring market on Amazon at a glance

Shoppers on Amazon United States searched for California King Box Spring 142K times last year and spent an estimated $496K. The top 5 brands take 66% of clicks. Flapen scores it 47 out of 100, a Fail.

01 · Demand

An estimated 3.0% of those searches ended in a purchase.

Shoppers searched for this 142K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 3.0% of those searches ended in a purchase. Searches in the last 90 days moved -0.5% against the 90 days before. Searches, conversion and average price together put the market at an estimated $496K a year.

Searches, last 12 months
142K
Growth, 90 days vs prior 90
-0.5%
Conversion, latest week
3.0%
Market size, estimated
$496Ka year
Peak month
March1.2× the quietest month
Top search term
california king box spring61K searches a year

02 · Price

A sale here is worth $115.24.

Listings sell for $115.24 on average, from $73.59 to $142.88. Amazon reports units sold in ranges. This niche sold 3K to 4K a year. The average listing sells 100 to 250 of them. At $115.24 that is $12K to $29K a year per listing.

Average price
$115.24above the $15 to $100 sweet spot
Price range
$73.59–$142.88
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
3K–4K
Units per listing a year
100–250
Revenue per listing a year
$12K–$29K
Returns
6.9%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is ads and reviews.

92% 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 #431 within Mattresses & Box Springs. It carries 2,411 reviews at 4.36 stars, so a new listing needs social proof before a better product.

Sponsored listings
92%
Prime listings
100%
Out of stock, average day
0.0%
Average rank
#431in Mattresses & Box Springs
Average rating
4.36 starsAmazon United States average 4.42 stars
Average reviews
2,411per listing
Listings tracked
25

04 · Newcomers

4 of last year's 11 launches cleared the first-year sales bar.

11 products launched here in the last 12 months. 4 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 32 months on average, so a newcomer is not facing entrenched names.

Launched, last 12 months
11
Successful launches
4Amazon's first-year sales bar
Average brand age
32 months

Products

Top California King Box Spring 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 50% of clicks. Leaders hold, but buyers still shop past them.

Brands

17 rising

Sellers

20

Top-5 brand share

66%

Top 20: 100%

Top-5 click share

50%

Top 20: 94%

Open market

28%

  • Brand 123%
  • Brand 215%
  • Brand 314%
  • Brand 48%
  • Brand 57%
  • Brand 66%

Demand

California King Box Spring search demand

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

4K3KHoliday '24Spike '25Prime Day '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.2×

Search terms

Top California King Box Spring search terms shoppers use

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

  • california king box spring61K/yr
  • cal king box spring27K/yr
  • california king box spring only21K/yr
  • box spring california king12K/yr
  • cali king box spring9K/yr
  • cal king box spring only9K/yr
  • box spring for california king bed5K/yr

Reviews and returns

What reviews say buyers love and hate about California King Box Spring

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

38%of positive reviews mention “Assembly/Installation”
18%of negative reviews mention “Assembly/Installation”
6.9%of orders come back
“I spent 45 minutes trying to convince two parts to align”
A buyer, on “Assembly/Installation”18% 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.

18 topics

NegativePositive

FAQ

Common California King Box Spring questions

Answered from the same tracked data.