Denneroll
FailThe top 5 brands take 99% of clicks, so Denneroll is a Fail.
- Flapen Score
- 40 / 100Ranks 12,248 of 14,768 Health & Household niches · −9 vs the category median of 4940
- Market size
- $156K/yr135K searches / yr
- 90-day growth
- -1.4%search demand this quarter
- Competition
- 80%top-5 click share · 6 brands · 14 sellers
Flapen Score
Denneroll against its category
The dotted line is the Health & Household average. Past it, Denneroll is stronger. Inside it, weaker.
Market
The Denneroll market on Amazon at a glance
Shoppers on Amazon United States searched for Denneroll 135K times last year and spent an estimated $156K. The top 5 brands take 99% of clicks. Flapen scores it 40 out of 100, a Fail.
01 · Demand
An estimated 5.4% of those searches ended in a purchase.
Shoppers searched for this 135K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 5.4% of those searches ended in a purchase. Searches in the last 90 days moved -1.4% against the 90 days before. Searches, conversion and average price together put the market at an estimated $156K a year.
- Searches, last 12 months
- 135K
- Growth, 90 days vs prior 90
- -1.4%
- Conversion, latest week
- 5.4%
- Market size, estimated
- $156Ka year
- Peak month
- April1.4× the quietest month
- Top search term
- denneroll49K searches a year
02 · Price
A sale here is worth $21.64.
Listings sell for $21.64 on average, from $11.39 to $26.88. Amazon reports units sold in ranges. This niche sold 6K to 8K a year. The average listing sells 500 to 750 of them. At $21.64 that is $11K to $16K a year per listing.
- Average price
- $21.64inside the $15 to $100 sweet spot
- Price range
- $11.39–$26.88
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 6K–8K
- Units per listing a year
- 500–750
- Revenue per listing a year
- $11K–$16K
- Returns
- 2.8%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. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #27 within Occupational & Physical Therapy Aids. It carries 25,917 reviews at 4.30 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 100%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #27in Occupational & Physical Therapy Aids
- Average rating
- 4.30 starsAmazon United States average 4.42 stars
- Average reviews
- 25,917per listing
- Listings tracked
- 11
04 · Newcomers
Brands here are settling in.
The brands on the shelf have sold for 38 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
- 38 months
Products
Top Denneroll 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 14, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Neck Stretcher Exerciser Cervical Traction Device for Neck Pain Relief and Cervical Spine Alignment. Portable Neck Traction Exerciser for Home/Office Neck and Shoulder Relaxer. (20-25 Pounds)
- Price
- $24.11
- Rating
- 4.0/5
- Reviews
- 380
- Age
- 4y ago

WANYIDA Neck and Shoulder Relaxer Neck Stretcher Chiropractic Pillows for Pain Relief Cervical Traction Device for Cervical Spine AlignmentFSA HSA Eligible
- Price
- $24.70
- Rating
- 4.4/5
- Reviews
- 1,287
- Age
- 5y ago

Lumia Wellness Cervical Orthotic Traction Block Firm Spinal & Neck Alignment Cervical Traction Device & Neck Stretcher
- Price
- $26.68
- Rating
- 4.4/5
- Reviews
- 2,196
- Age
- 7y ago

StrongTek Cervical Neck Wedge Firm Foam Orthotic Block for Neck Curve Restoration Support for Posture Correction Headache Relief and Cervical Traction at Home
- Price
- $21.23
- Rating
- 4.3/5
- Reviews
- 888
- Age
- 6y ago

RESTCLOUD Neck and Shoulder Relaxer Cervical Traction Device for TMJ Pain Relief and Cervical Spine Alignment Chiropractic Pillow Neck Stretcher (Black)
- Price
- $18.84
- Rating
- 4.2/5
- Reviews
- 92,876
- Age
- 7y ago
Trending
estimated 90-day click momentum
Yoga Blocks 2 Pcs 9x6x3 Yoga Brick Foam Blocks EVA Foam Block Props Accessories for Pilates Stretching and Meditation (Grey Large)
- Price
- $11.39
- Rating
- 4.8/5
- Reviews
- 400
- Age
- 1y ago

Neck Stretcher Exerciser Cervical Traction Device for Neck Pain Relief and Cervical Spine Alignment. Portable Neck Traction Exerciser for Home/Office Neck and Shoulder Relaxer. (20-25 Pounds)
- Price
- $24.11
- Rating
- 4.0/5
- Reviews
- 380
- Age
- 4y ago

Neck Stretcher Exerciser FSA/HSA Eligible Cervical Traction Device for Neck Pain Relief and Spine Alignment. Portable Neck Traction Exerciser for Home/Office Neck and Shoulder Relaxer Easy to Pull.
- Price
- $23.91
- Rating
- 4.0/5
- Reviews
- 380
- Age
- 4y ago

RESTCLOUD Neck and Shoulder Relaxer Cervical Traction Device for TMJ Pain Relief and Cervical Spine Alignment Chiropractic Pillow Neck Stretcher (Black)
- Price
- $18.84
- Rating
- 4.2/5
- Reviews
- 92,876
- Age
- 7y ago

WANYIDA Neck and Shoulder Relaxer Neck Stretcher Chiropractic Pillows for Pain Relief Cervical Traction Device for Cervical Spine AlignmentFSA HSA Eligible
- Price
- $24.70
- Rating
- 4.4/5
- Reviews
- 1,287
- Age
- 5y ago
Newest
by launch date
Yoga Blocks 2 Pcs 9x6x3 Yoga Brick Foam Blocks EVA Foam Block Props Accessories for Pilates Stretching and Meditation (Grey Large)
- Price
- $11.39
- Rating
- 4.8/5
- Reviews
- 400
- Age
- 1y ago

WANYIDA Neck Stretcher Chiropractic Pillows for Neck Pain Relief Cervical Traction Device for Cervical Spine Alignment Neck and Shoulder Relaxer Cervical Orthotic Traction Block
- Price
- $22.86
- Rating
- 4.3/5
- Reviews
- 130
- Age
- 4y ago

Neck Stretcher Exerciser Cervical Traction Device for Neck Pain Relief and Cervical Spine Alignment. Portable Neck Traction Exerciser for Home/Office Neck and Shoulder Relaxer. (20-25 Pounds)
- Price
- $24.11
- Rating
- 4.0/5
- Reviews
- 380
- Age
- 4y ago

Neck Stretcher Exerciser FSA/HSA Eligible Cervical Traction Device for Neck Pain Relief and Spine Alignment. Portable Neck Traction Exerciser for Home/Office Neck and Shoulder Relaxer Easy to Pull.
- Price
- $23.91
- Rating
- 4.0/5
- Reviews
- 380
- Age
- 4y ago

WANYIDA Neck and Shoulder Relaxer Neck Stretcher Chiropractic Pillows for Pain Relief Cervical Traction Device for Cervical Spine AlignmentFSA HSA Eligible
- Price
- $24.70
- Rating
- 4.4/5
- Reviews
- 1,287
- Age
- 5y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 80% of clicks. A locked shelf that new listings rarely crack.
Brands
6 rising
Sellers
14
Est. top-5 brand share
99%
Top 20: 100%
Est. top-5 click share
80%
Top 20: 100%
Open market
0%
- WANYIDA50%
- Lumia Wellness20%
- RESTCLOUD12%
- StrongTek12%
- Core Products5%
- POUYRBA2%
Demand
Denneroll search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.4×
Search terms
Top Denneroll search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- denneroll49K/yr
- denneroll cervical neck22K/yr
- cervical denneroll12K/yr
- neck wedge12K/yr
- neck block5K/yr
- denneroll cervical5K/yr
- cervical wedge5K/yr
- deneroll neck cervical4K/yr
- denneroll neck4K/yr
- neck wedge chiropractic3K/yr
Reviews and returns
What reviews say buyers love and hate about Denneroll
We read the reviews and the return reasons for every product selling here.
“Not super comfortable”
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
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 Denneroll 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









