Casper King Mattress
FailProducts sell for $826.86 on average, outside the sweet spot, so Casper King Mattress is a Fail.
- Flapen Score
- 37 / 100Ranks 9,707 of 11,240 Home & Kitchen niches · −12 vs the category median of 4937
- Market size
- $43K/yr53K searches / yr
- 90-day growth
- +30.0%search demand this quarter
- Competition
- 62%top-5 click share · 13 brands · 23 sellers
Flapen Score
Casper King Mattress against its category
The dotted line is the Home & Kitchen average. Past it, Casper King Mattress is stronger. Inside it, weaker.
Market
The Casper King Mattress market on Amazon at a glance
Shoppers on Amazon United States searched for Casper King Mattress 53K times last year and spent an estimated $43K. The top 5 brands take 87% of clicks. Demand peaks in Jul. Flapen scores it 37 out of 100, a Fail.
01 · Demand
An estimated 0.1% of those searches ended in a purchase.
Shoppers searched for this 53K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 0.1% of those searches ended in a purchase. Searches in the last 90 days moved +30.0% against the 90 days before. Searches, conversion and average price together put the market at an estimated $43K a year.
- Searches, last 12 months
- 53K
- Growth, 90 days vs prior 90
- +30.0%
- Conversion, latest week
- 0.1%
- Market size, estimated
- $43Ka year
- Peak month
- July1.7× the quietest month
- Top search term
- casper king mattress31K searches a year
02 · Price
A sale here is worth $826.86.
Listings sell for $826.86 on average, from $311.80 to $2510.53. Amazon reports units sold in ranges. This niche sold 250 to 500 a year. The average listing sells 0 to 100 of them. At $826.86 that is $0 to $83K a year per listing.
- Average price
- $826.86above the $15 to $100 sweet spot
- Price range
- $311.80–$2510.53
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 250–500
- Units per listing a year
- 0–100
- Revenue per listing a year
- $0–$83K
- Returns
- 1.2%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is ads and reviews.
100% of listings pay for placement with sponsored ads. 86% ship with Prime. On an average day, 8.4% of listings are out of stock. The average listing ranks #211 within Mattresses & Box Springs. It carries 2,852 reviews at 4.31 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 100%
- Prime listings
- 86%
- Out of stock, average day
- 8.4%
- Average rank
- #211in Mattresses & Box Springs
- Average rating
- 4.31 starsAmazon United States average 4.42 stars
- Average reviews
- 2,852per listing
- Listings tracked
- 21
04 · Newcomers
6 of last year's 6 launches cleared the first-year sales bar.
6 products launched here in the last 12 months. 6 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 27 months on average, so a newcomer is not facing entrenched names.
- Launched, last 12 months
- 6
- Successful launches
- 6Amazon's first-year sales bar
- Average brand age
- 27 months
Products
Top Casper King Mattress 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 30, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Casper Sleep Original Hybrid King Mattress Medium Feel with Zoned Support Motion Isolation Breathable Cooling Memory Foam 100-Night Trial CertiPUR-US
- Price
- $1517.78
- Rating
- 4.3/5
- Reviews
- 1,284
- Age
- 6y ago

Casper Sleep Original Foam King Mattress Medium Firm Feel with Zoned Support Motion Isolation Breathable Cooling Memory Foam 100-Night Trial CertiPUR-US
- Price
- $1423.75
- Rating
- 4.4/5
- Reviews
- 1,032
- Age
- 6y ago

Sweetnight CoolNest 14 Inch King Size Mattress Cooling Memory Foam Mattress
- Price
- $494.24
- Rating
- 4.5/5
- Reviews
- 1,124
- Age
- 1y ago

Casper Sleep Original Foam Queen Mattress Medium Firm Feel with Zoned Support Motion Isolation Breathable Cooling Memory Foam 100-Night Trial CertiPUR-US
- Price
- $1093.15
- Rating
- 4.4/5
- Reviews
- 1,032
- Age
- 6y ago

Nectar 12 Memory Foam Mattress Full Medium Firm 1-Year Trial
- Price
- $589.28
- Rating
- 4.3/5
- Reviews
- 994
- Age
- 1y ago
Trending
estimated 90-day click momentum
King Size Mattress Upgraded 14 Inch Luxury Hybrid King Mattress in a Box Cooling Gel Memory Foam & Pocket Springs for Pressure Relief Medium Firm Edge Support Certified Safe 365-Night Trial
- Price
- $361.02
- Rating
- 4.5/5
- Reviews
- 350
- Age
- 2mo ago

RRESTA Extra Firm King Mattress 14 Inch - Hotel Collection Hybrid Mattress with 7-Zone Support for Spinal Alignment & Back Pain Relief 366-Night Trial CertiPUR-US & Forever Warranty
- Price
- $346.23
- Rating
- 4.0/5
- Reviews
- 26
- Age
- 2mo ago

Sleepmax King Size Mattress 14 Inch - Deep Sleep Hybrid Mattress for Pain Relieving - Deluxe Cooling Bed in a Box for Back & Side Sleepers - CertiPUR-US Certified 365-Night Trial Forever Warranty
- Price
- $592.20
- Rating
- 4.5/5
- Reviews
- 241
- Age
- 3mo ago

Sealy Dreamlife 14 Foam Mattress-in-a-Box King SealyComfort Gel Memory Foam SealySupport Transition Foam Machine Washable Cover
- Price
- $673.72
- Rating
- 4.4/5
- Reviews
- 882
- Age
- 2y ago

Novilla Bliss Cooling King Size Mattress 14 Inch Gel King Memory Foam
- Price
- $416.31
- Rating
- 4.7/5
- Reviews
- 751
- Age
- 10mo ago
Newest
by launch date
RRESTA Extra Firm King Mattress 14 Inch - Hotel Collection Hybrid Mattress with 7-Zone Support for Spinal Alignment & Back Pain Relief 366-Night Trial CertiPUR-US & Forever Warranty
- Price
- $346.23
- Rating
- 4.0/5
- Reviews
- 26
- Age
- 2mo ago

King Size Mattress Upgraded 14 Inch Luxury Hybrid King Mattress in a Box Cooling Gel Memory Foam & Pocket Springs for Pressure Relief Medium Firm Edge Support Certified Safe 365-Night Trial
- Price
- $361.02
- Rating
- 4.5/5
- Reviews
- 350
- Age
- 2mo ago

Sleepmax King Size Mattress 14 Inch - Deep Sleep Hybrid Mattress for Pain Relieving - Deluxe Cooling Bed in a Box for Back & Side Sleepers - CertiPUR-US Certified 365-Night Trial Forever Warranty
- Price
- $592.20
- Rating
- 4.5/5
- Reviews
- 241
- Age
- 3mo ago

King Size Mattress (High-End Upgraded) Hotel-Level Luxury 14 Inch Hybrid King Mattress In A Box Back Pain Extra Edge Support 365-Night Trial Medium Firm.
- Price
- $421.92
- Rating
- 4.4/5
- Reviews
- 113
- Age
- 5mo ago

Casper Sleep Snow Hybrid Mattress King Medium Feel Memory Foam with Snow Technology Cooling & Zoned Support Motion Isolation Made for All Sleep Styles 100-Night Trial CertiPUR-US
- Price
- $2510.53
- Rating
- 4.0/5
- Reviews
- 5
- Age
- 9mo ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 62% of clicks. Leaders hold, but buyers still shop past them.
Brands
13 rising
Sellers
23
Est. top-5 brand share
87%
Top 20: 100%
Est. top-5 click share
62%
Top 20: 99%
Open market
11%
- Casper45%
- Nectar17%
- Sweetnight12%
- Novilla6%
- MLILY6%
- Zinus2%
- Open — no brand owns it (7 brands, 11%)
Demand
Casper King Mattress search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Jul · busiest ÷ quietest = 1.7×
Search terms
Top Casper King Mattress search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- casper king mattress31K/yr
- casper mattress king13K/yr
- casper king size mattress6K/yr
- king mattress casper2K/yr
Reviews and returns
What reviews say buyers love and hate about Casper King Mattress
We read the reviews and the return reasons for every product selling here.
“Back pain& discomfort”
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
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Casper King Mattress 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









