Sempai Comfort Neck and Cervical Spine Pillow Household Soft
FailShoppers spend an estimated $4K a year here, so Sempai Comfort Neck and Cervical Spine Pillow Household Soft is a Fail.
- Flapen Score
- 32 / 100Ranks 14,245 of 14,768 Health & Household niches · −17 vs the category median of 4932
- Market size
- $4K/yr5K searches / yr
- 90-day growth
- -13.5%search demand this quarter
- Competition
- 72%top-5 click share · 8 brands · 30 sellers
Flapen Score
Sempai Comfort Neck and Cervical Spine Pillow Household Soft against its category
The dotted line is the Health & Household average. Past it, Sempai Comfort Neck and Cervical Spine Pillow Household Soft is stronger. Inside it, weaker.
Market
The Sempai Comfort Neck and Cervical Spine Pillow Household Soft market on Amazon at a glance
Shoppers on Amazon United States searched for Sempai Comfort Neck and Cervical Spine Pillow Household Soft 5K times last year and spent an estimated $4K. The top 5 brands take 90% of clicks. Demand peaks in Mar–Apr–Jul–Sep. Flapen scores it 32 out of 100, a Fail.
01 · Demand
An estimated 2.3% of those searches ended in a purchase.
Shoppers searched for this 5K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 2.3% of those searches ended in a purchase. Searches in the last 90 days moved -13.5% against the 90 days before. Searches, conversion and average price together put the market at an estimated $4K a year.
- Searches, last 12 months
- 5K
- Growth, 90 days vs prior 90
- -13.5%
- Conversion, latest week
- 2.3%
- Market size, estimated
- $4Ka year
- Peak month
- March3.5× the quietest month
- Top search term
- contoured neck pillow5K searches a year
02 · Price
A sale here is worth $36.93.
Listings sell for $36.93 on average, from $25.86 to $57.63. Amazon reports units sold in ranges. This niche sold 100 to 250 a year. The average listing sells 0 to 100 of them. At $36.93 that is $0 to $4K a year per listing.
- Average price
- $36.93inside the $15 to $100 sweet spot
- Price range
- $25.86–$57.63
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 100–250
- Units per listing a year
- 0–100
- Revenue per listing a year
- $0–$4K
- Returns
- 5.3%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
90% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 1.5% of listings are out of stock. The average listing ranks #11 within Bedroom Aids & Accessories. It carries 8,750 reviews at 4.26 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 90%
- Prime listings
- 100%
- Out of stock, average day
- 1.5%
- Average rank
- #11in Bedroom Aids & Accessories
- Average rating
- 4.26 starsAmazon United States average 4.42 stars
- Average reviews
- 8,750per listing
- Listings tracked
- 10
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 30 months on average, so a newcomer is not facing entrenched names.
- Launched, last 12 months
- 2
- Successful launches
- 2Amazon's first-year sales bar
- Average brand age
- 30 months
Products
Top Sempai Comfort Neck and Cervical Spine Pillow Household Soft 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
Ultra Pain Relief Cooling Pillow for Neck Support Adjustable Cervical Pillow Cozy Sleeping Odorless Ergonomic Contour Memory Foam Pillows Orthopedic Bed Pillow for Side Back Stomach Sleeper
- Price
- $38.78
- Rating
- 4.3/5
- Reviews
- 16,839
- Age
- 3y ago

Ultra Pain Relief Cooling Pillow for Neck Support Adjustable Cervical Pillow Cozy Sleeping Odorless Ergonomic Contour Memory Foam Pillows Orthopedic Bed Pillow for Side Back Stomach Sleeper
- Price
- $38.74
- Rating
- 4.3/5
- Reviews
- 16,839
- Age
- 3y ago

Cervical Pillow for Neck Pain Relief Contour Memory Foam Pillows for Sleeping Ergonomic Pillow Adjustable Orthopedic Cooling Pillow Bed Pillow Neck Support for Side Back Stomach Sleepers(Blue)
- Price
- $26.30
- Rating
- 4.3/5
- Reviews
- 5,277
- Age
- 2y ago

Royal Therapy Memory Foam Pillow Queen Neck Pain Relief Contour Cervical Pillow for Neck and Shoulder Pain Side Back and Stomach Sleeper 24x14x5 inches
- Price
- $57.63
- Rating
- 4.4/5
- Reviews
- 11,495
- Age
- 11y ago

Derila Ergo Cervical Neck Pillow for Sleeping Pillow Contour Memory Foam Pillows for Back Side Sleeper Pillows 21.25 x 14.17 x 4.72 inches
- Price
- $57.45
- Rating
- 3.9/5
- Reviews
- 12,706
- Age
- 1y ago
Trending
estimated 90-day click momentum
Ylekto Cervical Neck Pillow for Pain Relief - Contour Memory Foam Pillows for Sleeping Ergonomic Pillow Side Sleeper Pillow for Neck Support Bed Pillow for Side Back Stomach Sleepers(Grey)
- Price
- $27.42
- Rating
- 4.6/5
- Reviews
- 267
- Age
- 1mo ago

Besyodo Cervical Neck Pillow for Pain Relief - Ergonomic Memory Foam Pillow for Sleeping Contour Side Sleeper Pillow for Neck Support Orthopedic Pillow Bed Pillow for Back Stomach Sleepers(Grey)
- Price
- $35.11
- Rating
- 4.3/5
- Reviews
- 570
- Age
- 4mo ago

CHxxy Memory Foam Pillows Cervical Pillow for Neck and Shoulder Pain Relief Ergonomic Contour Bed Pillow Soft for Side Sleep Stomach Sleeping and Back Sleeper-Queen Size&Grey
- Price
- $29.98
- Rating
- 4.1/5
- Reviews
- 9,057
- Age
- 3y ago

Pain Relief Cervical Pillow for Neck Support Adjustable Ergonomic Pillow Cozy Sleeping Odorless Orthopedic Memory Foam Pillow Contour Bed Pillow for Side Back Stomach Sleeper
- Price
- $32.04
- Rating
- 4.1/5
- Reviews
- 4,010
- Age
- 2y ago

Derila Ergo Cervical Neck Pillow for Sleeping Pillow Contour Memory Foam Pillows for Back Side Sleeper Pillows 21.25 x 14.17 x 4.72 inches
- Price
- $57.45
- Rating
- 3.9/5
- Reviews
- 12,706
- Age
- 1y ago
Newest
by launch date
Ylekto Cervical Neck Pillow for Pain Relief - Contour Memory Foam Pillows for Sleeping Ergonomic Pillow Side Sleeper Pillow for Neck Support Bed Pillow for Side Back Stomach Sleepers(Grey)
- Price
- $27.42
- Rating
- 4.6/5
- Reviews
- 267
- Age
- 1mo ago

Besyodo Cervical Neck Pillow for Pain Relief - Ergonomic Memory Foam Pillow for Sleeping Contour Side Sleeper Pillow for Neck Support Orthopedic Pillow Bed Pillow for Back Stomach Sleepers(Grey)
- Price
- $35.11
- Rating
- 4.3/5
- Reviews
- 570
- Age
- 4mo ago

Derila Ergo Cervical Neck Pillow for Sleeping Pillow Contour Memory Foam Pillows for Back Side Sleeper Pillows 21.25 x 14.17 x 4.72 inches
- Price
- $57.45
- Rating
- 3.9/5
- Reviews
- 12,706
- Age
- 1y ago

Pain Relief Cervical Pillow for Neck Support Adjustable Ergonomic Pillow Cozy Sleeping Odorless Orthopedic Memory Foam Pillow Contour Bed Pillow for Side Back Stomach Sleeper
- Price
- $32.04
- Rating
- 4.1/5
- Reviews
- 4,010
- Age
- 2y ago

Cervical Pillow for Neck Pain Relief Contour Memory Foam Pillows for Sleeping Ergonomic Pillow Adjustable Orthopedic Cooling Pillow Bed Pillow Neck Support for Side Back Stomach Sleepers(Blue)
- Price
- $26.30
- Rating
- 4.3/5
- Reviews
- 5,277
- Age
- 2y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 72% of clicks. A locked shelf that new listings rarely crack.
Brands
8 flat
Sellers
30
Est. top-5 brand share
90%
Top 20: 100%
Est. top-5 click share
72%
Top 20: 100%
Open market
10%
- Cozyplayer46%
- Ylekto16%
- Royal Therapy8%
- Derila8%
- CHxxy6%
- QIUBABYO6%
- Open — no brand owns it (2 brands, 10%)
Demand
Sempai Comfort Neck and Cervical Spine Pillow Household Soft search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Mar, Apr, Jul, Sep · busiest ÷ quietest = 3.5×
Reviews and returns
What reviews say buyers love and hate about Sempai Comfort Neck and Cervical Spine Pillow Household Soft
We read the reviews and the return reasons for every product selling here.
“Not as comfortable as I hoped”
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
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 Sempai Comfort Neck and Cervical Spine Pillow Household Soft 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









