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Extra Large Postage Bags

prices mostly outside the sweet spot ($2.59–$11.06) — Extra Large Postage Bags doesn't clear our bar today.

Flapen Score

42
Skip it
Market size 31Growth 13Conversion 96Competition 48Returns 99Price range 0Avg price 15Brand share 40Review moat 25Quality gap 25
This niche Category average

Is Extra Large Postage Bags profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Extra Large Postage Bags is a £141K/yr Amazon United Kingdom market (193K searches/yr). The top 5 brands hold 81% of demand. Verdict: Skip it — 42/100.

Extra Large Postage Bags: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Not really. Search demand moved -23.2% over the last 90 days and 13.7% of searches end in a purchase.

£141K

revenue / yr

Units sold / yr30K
Search volume / yr-23.2%193K
Conversion rate13.7%
Avg price£5.29

Who owns the niche?

The top 5 brands hold 81% of demand, so 19% of the market is open.

19%

open market share

Brands · sellers13 · 21
Top-5 product click share56%
Open market19%
Avg brand age41 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.6★ — the gap to enter on.

0/100

page quality · 26 products

Sponsored placement88%
New entrants (1y)4· 2 succeeded
Avg rating4.6★
Avg reviews4,285

Top Extra Large Postage Bags 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 56% of clicks — established leaders, but buyers still shop beyond them.

£0£7K£14K£21K£28K101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

13 falling

Sellers

21

Top-5 brand share

81%

Top 20: 100%

Top-5 click share

56%

Top 20: 94%

Open market

12%

  • iSOUL21%
  • Double Dragon18%
  • JeeJaan18%
  • Paxfords13%
  • Calzette11%
  • G4GADGET7%
  • Open — no brand owns it (7 brands, 12%)

Extra Large Postage Bags demand & seasonality

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

Volume193KCVR13.7%Products26Brands13Top 5 Brands81%OOS Rate5.6%Rating4.6★Reviews4,285Avg BSR#12
4K3KSpike '26Sep '25Oct '25Dec '25Feb '26Mar '26May '26

Top Extra Large Postage Bags search terms shoppers use

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

  • extra large postage bags33K/yr
  • large shipping bags21K/yr
  • large packing bags13K/yr
  • extra large parcel bags18K/yr
  • extra large mailing bags17K/yr
  • mailing bags large 17x247K/yr
  • 17x24 mailing bags11K/yr
  • xl postage bags13K/yr
  • 17 x 24 mailing bags9K/yr
  • xl parcel bags9K/yr

What reviews say buyers love and hate about Extra Large Postage Bags

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

What buyers love

87% of reviews
Size-Overall22%

Good size bag

Quality-Overall19%

These bags are really good quality

Value For Money15%

Good price

Strength13%

Great strong bags

Advertised Vs Actual Product6%

As advertised

What buyers complain about

84% of reviews
Quality-Overall29%

Cheap quality

Thickness16%

Not the thickest bags

Size-Overall10%

Too small

Adhesion/Stickiness10%

The self stick adesive is very poor

Strength6%

Not strong

Extra Large Postage Bags return rate & reasons

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

0.1%

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
56%
2Quality-Overall
14%
3Thin
8%
4Strength
4%
5Smell
3%

Common Extra Large Postage Bags questions

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

Flapen scores Extra Large Postage Bags 42/100 on Amazon United Kingdom — Skip it. The niche generates £141K/yr across 26 tracked products. 2 of 4 products launched in the last 360 days are still selling. Search demand moved -23.2% over the last 90 days.
Extra Large Postage Bags buyers on Amazon United Kingdom complain most about Quality-Overall, Thickness, Size-Overall, the themes mined from the niche's reviews. Its return rate is 0.1%.