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Cast Protectors

prices mostly outside the sweet spot ($2.85–$11.55) — Cast Protectors doesn't clear our bar today.

Flapen Score

46
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Market size 29Growth 64Conversion 89Competition 27Returns 83Price range 0Avg price 21Brand share 44Review moat 23Quality gap 45
This niche Category average

Is Cast Protectors profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Cast Protectors is a £130K/yr Amazon United Kingdom market (160K searches/yr). The top 5 brands hold 79% of demand. Demand peaks in Jul. Verdict: Skip it — 46/100.

Cast Protectors: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Not really. Search demand moved +41.6% over the last 90 days and 10.6% of searches end in a purchase.

£130K

revenue / yr

Units sold / yr20K
Search volume / yr+41.6%160K
Conversion rate10.6%
Avg price£7.69

Who owns the niche?

The top 5 brands hold 79% of demand, so 21% of the market is open.

21%

open market share

Brands · sellers12 · 18
Top-5 product click share69%
Open market21%
Avg brand age29 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.5★ — the gap to enter on.

0/100

page quality · 15 products

Sponsored placement93%
New entrants (1y)1· 1 succeeded
Avg rating4.5★
Avg reviews7,301

Top Cast Protectors 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 69% of clicks — established leaders, but buyers still shop beyond them.

£0£13K£26K£39K£52K101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

12 falling

Sellers

18

Top-5 brand share

79%

Top 20: 100%

Top-5 click share

69%

Top 20: 100%

Open market

15%

  • Mighty-X32%
  • Fasola19%
  • EuyiHlybt11%
  • CureSquad9%
  • Box Commerce8%
  • Atan6%
  • Open — no brand owns it (6 brands, 15%)

Cast Protectors demand & seasonality

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

Volume160KCVR10.6%Products15Brands12Top 5 Brands79%OOS Rate0.0%Rating4.5★Reviews7,301Avg BSR#8
4K3KSpike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jul · busiest ÷ quietest = 1.7×

Top Cast Protectors search terms shoppers use

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

  • cast cover waterproof21K/yr
  • waterproof cast cover arm17K/yr
  • waterproof arm cover for shower19K/yr
  • cast cover12K/yr
  • plaster cast waterproof cover arm13K/yr
  • arm cast cover for shower11K/yr
  • waterproof arm cast cover8K/yr
  • cast protector arm waterproof6K/yr
  • arm cast cover6K/yr
  • waterproof cast cover6K/yr

What reviews say buyers love and hate about Cast Protectors

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

What buyers love

89% of reviews
Quality-Overall20%

well made item

Water Resistance19%

Brilliantly waterproof

Advertised Vs Actual Product12%

Really worked as promised

Size-Overall10%

it fits all sizes

Ease Of Use8%

Easy to use

What buyers complain about

64% of reviews
Size-Overall29%

Too narrow

Ease Of Use14%

A: very hard to put on

Water Resistance5%

Opening very tight making it watertight

Durability4%

Mg sleeve split with in first week

Leak-Proof4%

Just leaked

Cast Protectors return rate & reasons

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

1.6%

Return rate

70%

Fixable by listing

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

1Size-Overall
63%
2Water Resistance
5%
3Leak-Proof
5%
4Durability
4%
5Ease Of Use
4%

Common Cast Protectors questions

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

Flapen scores Cast Protectors 46/100 on Amazon United Kingdom — Skip it. The niche generates £130K/yr across 15 tracked products. 1 of 1 products launched in the last 360 days are still selling. Search demand moved +41.6% over the last 90 days.
Search demand for Cast Protectors on Amazon United Kingdom peaks in Jul, where the busiest month runs 1.7× the quietest.