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Retainer Case

Fail

Prices span $3.34–$10.35, mostly outside the sweet spot, so Retainer Case is a Fail.

Flapen Score
45
45 / 100
Ranks 482 of 740 Business, Industry & Science niches · −4 vs the category median of 49
Market size
£162K/yr301K searches / yr
90-day growth
-9.7%search demand this quarter
Competition
59%top-5 click share · 13 brands · 16 sellers

Flapen Score

Retainer Case against its category

The dotted line is the Business, Industry & Science average. Past it, Retainer Case is stronger. Inside it, weaker.

45Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Retainer Case market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Retainer Case 301K times last year and spent an estimated £162K. The top 5 brands take 82% of clicks. Flapen scores it 45 out of 100, a Fail.

01 · Demand

An estimated 9.7% of those searches ended in a purchase.

Shoppers searched for this 301K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 9.7% of those searches ended in a purchase. Searches in the last 90 days moved -9.7% against the 90 days before. Searches, conversion and average price together put the market at an estimated £162K a year.

Searches, last 12 months
301K
Growth, 90 days vs prior 90
-9.7%
Conversion, latest week
9.7%
Market size, estimated
£162Ka year
Peak month
March1.1× the quietest month
Top search term
retainer case224K searches a year

02 · Price

A sale here is worth £5.56.

Listings sell for £5.56 on average, from £3.34 to £10.35. Amazon reports units sold in ranges. This niche sold 30K to 40K a year. The average listing sells 1,000 to 1,250 of them. At £5.56 that is £6K to £7K a year per listing.

Average price
£5.56under the $15 to $100 sweet spot
Price range
£3.34–£10.35
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
30K–40K
Units per listing a year
1,000–1,250
Revenue per listing a year
£6K–£7K
Returns
0.3%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is low.

60% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 2.4% of listings are out of stock. The average listing ranks #7 within Professional Dental Supplies. It carries 839 reviews at 4.49 stars, so a new listing needs social proof before a better product.

Sponsored listings
60%
Prime listings
100%
Out of stock, average day
2.4%
Average rank
#7in Professional Dental Supplies
Average rating
4.49 starsAmazon United Kingdom average 4.36 stars
Average reviews
839per listing
Listings tracked
20

04 · Newcomers

0 of last year's 2 launches cleared the first-year sales bar.

2 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 26 months on average, so a newcomer is not facing entrenched names.

Launched, last 12 months
2
Successful launches
0Amazon's first-year sales bar
Average brand age
26 months

Products

Top Retainer Case 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 21, 2026. The live listing can differ.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 59% of clicks. Leaders hold, but buyers still shop past them.

£0£16K£32K£49K£65K1101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

13 falling

Sellers

16

Est. top-5 brand share

82%

Top 20: 100%

Est. top-5 click share

59%

Top 20: 100%

Open market

15%

  • Dental Aesthetics45%
  • TIESOME14%
  • TUNYINSH12%
  • The Pultool6%
  • ACSKD5%
  • encase3%
  • Open — no brand owns it (7 brands, 15%)

Demand

Retainer Case search demand

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

6K4KSepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.1×

Search terms

Top Retainer Case search terms shoppers use

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

  • retainer case224K/yr
  • retainer box39K/yr
  • retainer cases8K/yr
  • retainers case9K/yr
  • retainer box case6K/yr
  • retainer pot3K/yr
  • retainer holder3K/yr
  • brace box3K/yr
  • brace case3K/yr
  • braces case3K/yr

Reviews and returns

What reviews say buyers love and hate about Retainer Case

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

25%of positive reviews mention “Quality-Overall”
32%of negative reviews mention “Size-Overall”
0.3%of orders come back
“size issue not fixed”
A buyer, on “Size-Overall”32% 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.

21 topics

NegativePositive

FAQ

Common Retainer Case 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