Skip to content

Castor Cups

prices mostly outside the sweet spot ($3.58–$13.98) — Castor Cups doesn't clear our bar today.

Flapen Score

48
Skip it
Market size 21Growth 20Conversion 66Competition 62Returns 79Price range 0Avg price 19Brand share 74Review moat 50Quality gap 76
This niche Category average

Is Castor Cups profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Castor Cups is a £84K/yr Amazon United Kingdom market (207K searches/yr). The top 5 brands hold 61% of demand. Verdict: Skip it — 48/100.

Castor Cups: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Not really. Search demand moved -9.9% over the last 90 days and 5.9% of searches end in a purchase.

£84K

revenue / yr

Units sold / yr15K
Search volume / yr-9.9%207K
Conversion rate5.9%
Avg price£6.84

Who owns the niche?

The top 5 brands hold 61% of demand, so 39% of the market is open.

39%

open market share

Brands · sellers29 · 41
Top-5 product click share48%
Open market39%
Avg brand age41 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.3★ — the gap to enter on.

0/100

page quality · 41 products

Sponsored placement66%
New entrants (1y)1· 0 succeeded
Avg rating4.3★
Avg reviews1,499

Top Castor Cups products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

The top 5 products take 48% of clicks — established leaders, but buyers still shop beyond them.

£0£3K£7K£10K£13K1101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

29 falling

Sellers

41

Top-5 brand share

61%

Top 20: 92%

Top-5 click share

48%

Top 20: 80%

Open market

35%

  • Just Pudding Basins18%
  • Medipaq15%
  • fiXte11%
  • Lookka11%
  • SOL6%
  • SUL4%

Castor Cups demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume207KCVR5.9%Products41Brands29Top 5 Brands61%OOS Rate7.5%Rating4.3★Reviews1,499Avg BSR#97
5K4KSpike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.2×

Top Castor Cups search terms shoppers use

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

  • carpet protector cups25K/yr
  • castor cups22K/yr
  • furniture cups20K/yr
  • carpet protectors for furniture legs11K/yr
  • furniture castor cups14K/yr
  • furniture cups for carpet10K/yr
  • castor cups for furniture on carpet11K/yr
  • furniture feet cups10K/yr
  • caster cups12K/yr
  • furniture coasters11K/yr

What reviews say buyers love and hate about Castor Cups

What buyers mention most, as a share of all reviews.

What buyers love

88% of reviews
Quality-Overall23%

Decent quality

Advertised Vs Actual Product21%

does the job perfectly

Size-Overall12%

Brilliant fit

Value For Money11%

Good value for money

Ease Of Use10%

Ease of use

What buyers complain about

78% of reviews
Size-Overall19%

Poor sizing

Quality-Overall13%

Shocking quality

Adhesion/Stickiness11%

Poor adhesion

Durability8%

Fall apart straight away

Value For Money7%

Not worth the money

Castor Cups return rate & reasons

Why buyers send it back, as a share of all return requests.

1.8%

Return rate

83%

Fixable by listing

The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.

1Size-Overall
70%
2Color
5%
3Material Quality
4%
4Functionality-Overall
4%
5Advertised Vs Actual Product
3%

Common Castor Cups questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores Castor Cups 48/100 on Amazon United Kingdom — Skip it. The niche generates £84K/yr across 41 tracked products. 0 of 1 products launched in the last 360 days are still selling. Search demand moved -9.9% over the last 90 days.
Search demand for Castor Cups on Amazon United Kingdom is steady year-round — the busiest month runs 1.2× the quietest.