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Bum Bag

Bum Bag shows demand growing +83.2% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Flapen Score

59
Worth a look
Market size 66Growth 84Conversion 45Competition 55Returns 84Price range 40Avg price 39Brand share 42Review moat 40Quality gap 50
This niche Category average

Is Bum Bag profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Bum Bag is a £635K/yr Amazon United Kingdom market (1.6M searches/yr). The top 5 brands hold 80% of demand. Demand peaks in Jun–Jul–Aug. Verdict: Worth a look — 59/100.

Bum Bag: 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 +83.2% over the last 90 days and 3.6% of searches end in a purchase.

£635K

revenue / yr

Units sold / yr80K
Search volume / yr+83.2%1.6M
Conversion rate3.6%
Avg price£10.73

Who owns the niche?

The top 5 brands hold 80% of demand, so 20% of the market is open.

20%

open market share

Brands · sellers17 · 29
Top-5 product click share52%
Open market20%
Avg brand age38 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 · 35 products

Sponsored placement91%
New entrants (1y)6· 2 succeeded
Avg rating4.5★
Avg reviews2,517

Top Bum Bag 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 52% of clicks — established leaders, but buyers still shop beyond them.

£0£25K£51K£76K£102K101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

17 falling

Sellers

29

Top-5 brand share

80%

Top 20: 100%

Top-5 click share

52%

Top 20: 86%

Open market

17%

  • szyanlai25%
  • Waterfly24%
  • hongking14%
  • MAXTOP14%
  • BAIYSFFG4%
  • G4GADGET3%
  • Open — no brand owns it (11 brands, 17%)

Bum Bag demand & seasonality

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

Volume1.6MCVR3.6%Products35Brands17Top 5 Brands80%OOS Rate1.2%Rating4.5★Reviews2,517Avg BSR#23
70K50KSpike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jun, Jul, Aug · busiest ÷ quietest = 3.0×

Top Bum Bag search terms shoppers use

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

  • bum bag454K/yr
  • bumbags for ladies272K/yr
  • bumbag224K/yr
  • bumbags for men95K/yr
  • bum bags86K/yr
  • waist bag88K/yr
  • fanny pack for women61K/yr
  • fanny pack67K/yr
  • belt bag47K/yr
  • fanny pack for men39K/yr

What reviews say buyers love and hate about Bum Bag

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

What buyers love

74% of reviews
Quality-Overall20%

Good quality bag

Size-Overall10%

It fits more than expected

Pockets/Compartments9%

Lots of pockets

Advertised Vs Actual Product8%

Looks exactly as pictures

Value For Money7%

Good price

What buyers complain about

60% of reviews
Strap/String Quality11%

after one week both straps came unstitched from the bag

Size-Overall9%

Small

Durability8%

It broke

Quality-Overall7%

Poor quality

Stitch/Finish/Polish6%

stitching coming undone

Bum Bag return rate & reasons

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

1.5%

Return rate

74%

Fixable by listing

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

1Size-Overall
54%
2Quality-Overall
8%
3Zipper Quality
6%
4Waist Fit
5%
5Color
4%

Common Bum Bag questions

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

Flapen scores Bum Bag 59/100 on Amazon United Kingdom — Worth a look. The niche generates £635K/yr across 35 tracked products. 2 of 6 products launched in the last 360 days are still selling. Search demand moved +83.2% over the last 90 days.
Search demand for Bum Bag on Amazon United Kingdom peaks in Jun–Jul–Aug, where the busiest month runs 3.0× the quietest.