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Gru Costume

Gru Costume shows a thin review moat (25 avg reviews), but soft demand (-63.9% this quarter) keeps it on the watch list.

Flapen Score

52
Worth a look
Market size 18Growth 0Conversion 52Competition 54Returns 72Price range 67Avg price 61Brand share 76Review moat 99Quality gap 98
This niche Category average

Is Gru Costume profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Gru Costume is a £73K/yr Amazon United Kingdom market (129K searches/yr). The top 5 brands hold 59% of demand. Demand peaks in Oct–Nov. Verdict: Worth a look — 52/100.

Gru Costume: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Worth a look. Search demand moved -63.9% over the last 90 days and 4.3% of searches end in a purchase.

£73K

revenue / yr

Units sold / yr8K
Search volume / yr-63.9%129K
Conversion rate4.3%
Avg price£13.31

Who owns the niche?

The top 5 brands hold 59% of demand, so 41% of the market is open.

41%

open market share

Brands · sellers21 · 32
Top-5 product click share53%
Open market41%
Avg brand age34 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 3.7★ — the gap to enter on.

0/100

page quality · 25 products

Sponsored placement64%
New entrants (1y)13· 0 succeeded
Avg rating3.7★
Avg reviews25

Top Gru Costume 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 53% of clicks — established leaders, but buyers still shop beyond them.

£0£3K£6K£9K£12K1101001K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)5 products missing review or click data not plotted

Brands

21 rising

Sellers

32

Top-5 brand share

59%

Top 20: 99%

Top-5 click share

53%

Top 20: 96%

Open market

33%

  • I LOVE FANCY DRESS17%
  • ERECT PEAK12%
  • GxouQcn11%
  • iZoeL10%
  • Uvwxba9%
  • BFSYRR8%

Gru Costume demand & seasonality

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

Volume129KCVR4.3%Products25Brands21Top 5 Brands59%OOS Rate47.2%Rating3.7★Reviews25Avg BSR#3,123
25K15KSpike '24Spike '25Prime Day '25Spike '26Prime Day '26NovDecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

Peak months: Oct, Nov · busiest ÷ quietest = 31.5×

Top Gru Costume search terms shoppers use

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

  • gru costume80K/yr
  • gru costume adult21K/yr
  • gru outfit8K/yr
  • gru mask6K/yr
  • gru costume kids10K/yr
  • gru halloween costume4K/yr

What reviews say buyers love and hate about Gru Costume

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

What buyers love

100% of reviews
Size-Overall29%

It fit well

Fun/Entertainment Experience14%

still fun

Gifting Purpose14%

A really fun gift for my daughter for World Book Day

Value For Money14%

Worth the money

Quality-Overall14%

Decent quality and value for money - arrived on time

What buyers complain about

100% of reviews
Quality-Overall35%

Cheap quality,not worth the price

Size-Overall22%

Gloves were huge

Comfort-Overall12%

dented on one side which made it uncomfortable to wear kinda ruined the whole purpose

Wrinkles12%

wrinkled with the hair net ripping also the nose was solid

Strap/String Quality10%

Holes and string are on the wrong side

Gru Costume return rate & reasons

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

2.1%

Return rate

62%

Fixable by listing

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

1Size-Overall
53%
2Quality-Overall
23%
3Advertised Vs Actual Product
3%
4Defective Material/Parts
3%
5Thin
3%

Common Gru Costume questions

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

Flapen scores Gru Costume 52/100 on Amazon United Kingdom — Worth a look. The niche generates £73K/yr across 25 tracked products. 0 of 13 products launched in the last 360 days are still selling. Search demand moved -63.9% over the last 90 days.
Search demand for Gru Costume on Amazon United Kingdom peaks in Oct–Nov, where the busiest month runs 31.5× the quietest.