6 inch full size mattress
Worth a lookShows low returns (1.4%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Great1.4%return rate — above 5% kills the launch gate
Avg price
Good$102.50avg listing price — sweet spot $15–$100
Competition
Good41%top-5 click share — leaders hold, buyers still browse
Market size
Good$568K$568K/yr · 160K searches
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Brand share
Good70%top-5 brand share — brands hold most of the demand
Price range
Good$70.22–$127.16cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Okay3.5%search→purchase rate — share of searches ending in a sale
Growth
Okay+7.2%90-day search growth — must beat 0% to launch
Review moat
Okay3,939.36avg incumbent reviews — the moat a new listing must climb
According to Flapen's Amazon United States niche tracking, 6 inch full size mattress is a $568K/yr Amazon United States market (160K searches/yr). The top 5 brands hold 70% of demand. Verdict: Worth a look — 58/100.
Data updated Jul 30, 2026 · scored weekly · How we score niches
6 inch full size mattress market data
- Units sold / yr
- 6K–8K
- avg 100–250/product
- Revenue / yr
- $615K–$820K
- units × avg price
- Conversion rate
- 3.5%
- Avg BSR
- #79
- Page quality
- 0%
- Prime
- 77%
- Sponsored
- 85%
- Out of stock
- 6.8%
- Avg brand age
- 27 months
- Avg seller age
- 172 days
Competition & brand share
The top 5 products take 41% of clicks — established leaders, but buyers still shop beyond them.Brands
18 falling
Sellers
19
Top-5 brand share
70%
Top 20: 100%
Top-5 click share
41%
Top 20: 81%
Open market
24%
- Zinus21%
- EGOHOME19%
- Amazon Basics12%
- FDW10%
- Best Price Mattress8%
- LIFEMENT6%
Demand & seasonality
Weekly Amazon search volume, last 99 weeks — +7.2% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.3×
Top 6 inch full size mattress search terms
- 6 inch full size mattress30K/yr
- full size mattress 6 inch30K/yr
- full mattress 6 inch11K/yr
- 6 inch mattress full15K/yr
- 6 full size mattress10K/yr
- 6 inch full mattress9K/yr
- 6 inch memory foam mattress full8K/yr
- 6in full size mattress7K/yr
- 6inch full size mattress6K/yr
- 6 in full size mattress6K/yr
Top 6 inch full size mattress products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
EGOHOME 6 Inch Full Size Mattress Memory Foam Mattress with Cooling Green Tea Gel Relieve Pressure with Medium Firm Support CertiPUR-US Certified 75L x 54W White
EGOHOME$112.614.4★10,700 rev
Amazon Basics Gel Memory Foam Mattress Soft Plush Feel Breathable Premium Knitted Fabrics Removable Cover Easy Set Up 6 Inch Full White/Grey
Amazon Basics$117.344.4★7,970 rev
Zinus 6 Inch Full Green Tea Memory Foam Mattress Medium Firm Feel
Zinus$115.884.3★3,156 rev
FDW | 6 Inch Full Mattress | Medium Firm | Gel Memory Foam Mattress | White | Bed in a Box CertiPUR-US Certified | Pressure Relief Cooling Ventilated Foam | Washable Removable Cover
FDW$104.774.3★7,240 rev
Zinus 6 Inch Full Green Tea Cooling Memory Foam Mattress Medium Feel
Zinus$111.114.5★894 rev
Newest
by launch date
Avenco 6 Inch Full Size Mattress with Open-Cell Foam for Breathable Comfort Gel Memory Foam Full Mattresses with Removable Cover CertiPUR-US Certified Mattress in a Box
Avenco$118.98125 rev
EGOHOME Medium Full Size Mattress 6 Inch Memory Foam Mattresses Bed in a Box with Gel Foam and Removeable Fiberglass Free Cover for Cool Sleep and Back Pain Relief CertiPUR-US Certified
EGOHOME$124.0297 rev
Gelsea 6 Inch Full Size Mattress Firm Gel Memory Foam Full Mattress in a Box Firm Back Support for Pressure Relief & Spinal Alignment CertiPUR-US Certified Fiberglass-Free
Gelsea$108.60471 rev
CloudDrift Full Size Mattress 6 Inch Memory Foam Mattress in a Box Fiberglass Free Relieve Pressure with Medium Firm Support Motion Isolation CertiPUR-US Certified Colchn in a Box
CloudDrift$104.5449 rev
FATHOM Firm Full Mattress 6 Inch Memory Foam Mattress Full Size Bed in a Box for Back Pain Relief and Cool Sleep with Gel Foam and Removeable Fiberglass Free Cover CertiPUR-US Certified
FATHOM$127.16892 rev
Trending
90-day click momentumAvenco 6 Inch Full Size Mattress with Open-Cell Foam for Breathable Comfort Gel Memory Foam Full Mattresses with Removable Cover CertiPUR-US Certified Mattress in a Box
Avenco$118.984.6★
CloudDrift Full Size Mattress 6 Inch Memory Foam Mattress in a Box Fiberglass Free Relieve Pressure with Medium Firm Support Motion Isolation CertiPUR-US Certified Colchn in a Box
CloudDrift$104.544.1★
EGOHOME Medium Full Size Mattress 6 Inch Memory Foam Mattresses Bed in a Box with Gel Foam and Removeable Fiberglass Free Cover for Cool Sleep and Back Pain Relief CertiPUR-US Certified
EGOHOME$124.024.5★
Neo Sleep 6 Inch Full Cooling Gel Memory Foam Mattress Medium Feel Comfort & Support with Pressure Relief Breathable Memory Foam CertiPUR-US Certified Mattress in a Box (Full 6 in)
Neo Sleep$109.544.2★
LIFEMENT Full Size Mattress 6 Inch Full Mattress Basic Copper Cooling Gel Memory Foam Mattress in a Box Pressure Relief with Medium Firm Support CertiPUR-US Certified 75L x 54W
LIFEMENT$105.254.4★
What buyers say about 6 inch full size mattress
What buyers praise and complain about, mined from review topics.What buyers love
“Comfy and soft”
“The quality is very good and soft”
“A really firm mattress”
“For the price”
“Soft Bed”
“Fit perfectly”
“Easy to install”
“Seems durable”
“It expanded quickly”
“doesnt sag foam comes right back up as soon as I get off it”
What buyers complain about
“Not as thick as shown”
“Sizes are not correct”
“Not so soft”
“This mattress wasnt very comfortable”
“False Advertising”
“Did not expand”
“I guess it's my fault for just looking at the price tag”
“Not as good as it looks”
“Not very sturdy”
“It comes flat”
Top return reasons
Common questions
- Is 6 inch full size mattress profitable to sell on Amazon United States?
- The niche generates $568K/yr across 39 tracked products. 8 of 9 products launched in the last 360 days are still selling. 90-day search growth is +7.2%. Flapen's verdict: Worth a look (58/100).
- How competitive is the 6 inch full size mattress niche?
- 18 brands and 19 sellers compete. The top 5 products take 41% of clicks and top 5 brands hold 70% of demand.
- What do buyers complain about in 6 inch full size mattress?
- Top complaints mined from reviews: Thickness, Size-Overall, Hard Feel. The return rate is 1.4%.
- When does demand for 6 inch full size mattress peak?
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- What does it cost to enter the 6 inch full size mattress niche?
- Listings span $70.22–$127.16; the average listing price is $102.50 (sweet spot $15–$100). The average incumbent carries 3,939 reviews — the moat a new listing must climb.