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Extra Large Postage Bags

Fail

Prices span $2.59–$11.06, mostly outside the sweet spot, so Extra Large Postage Bags is a Fail.

Flapen Score
42
42 / 100
Ranks 580 of 740 Business, Industry & Science niches · −7 vs the category median of 49
Market size
£141K/yr193K searches / yr
90-day growth
-23.2%search demand this quarter
Competition
56%top-5 click share · 13 brands · 21 sellers

Flapen Score

Extra Large Postage Bags against its category

The dotted line is the Business, Industry & Science average. Past it, Extra Large Postage Bags is stronger. Inside it, weaker.

42Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Extra Large Postage Bags market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Extra Large Postage Bags 193K times last year and spent an estimated £141K. The top 5 brands take 81% of clicks. Flapen scores it 42 out of 100, a Fail.

01 · Demand

An estimated 13.7% of those searches ended in a purchase.

Shoppers searched for this 193K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 13.7% of those searches ended in a purchase. Searches in the last 90 days moved -23.2% against the 90 days before. Searches, conversion and average price together put the market at an estimated £141K a year.

Searches, last 12 months
193K
Growth, 90 days vs prior 90
-23.2%
Conversion, latest week
13.7%
Market size, estimated
£141Ka year
Top search term
extra large postage bags33K searches a year

02 · Price

A sale here is worth £5.29.

Listings sell for £5.29 on average, from £2.59 to £11.06. Amazon reports units sold in ranges. This niche sold 25K to 30K a year. The average listing sells 750 to 1,000 of them. At £5.29 that is £4K to £5K a year per listing.

Average price
£5.29under the $15 to $100 sweet spot
Price range
£2.59–£11.06
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
25K–30K
Units per listing a year
750–1,000
Revenue per listing a year
£4K–£5K
Returns
0.1%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is reviews.

88% of listings pay for placement with sponsored ads. 88% ship with Prime. On an average day, 5.6% of listings are out of stock. The average listing ranks #12 within Packaging & Shipping Supplies. It carries 4,285 reviews at 4.60 stars, so a new listing needs social proof before a better product.

Sponsored listings
88%
Prime listings
88%
Out of stock, average day
5.6%
Average rank
#12in Packaging & Shipping Supplies
Average rating
4.60 starsAmazon United Kingdom average 4.36 stars
Average reviews
4,285per listing
Listings tracked
26

04 · Newcomers

2 of last year's 4 launches cleared the first-year sales bar.

4 products launched here in the last 12 months. 2 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 41 months on average, so the names here are settling in.

Launched, last 12 months
4
Successful launches
2Amazon's first-year sales bar
Average brand age
41 months

Products

Top Extra Large Postage Bags products & what they sell for

The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.

Prices and ratings read from Amazon on Jul 21, 2026. The live listing can differ.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 56% of clicks. Leaders hold, but buyers still shop past them.

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

Brands

13 falling

Sellers

21

Est. top-5 brand share

81%

Top 20: 100%

Est. 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%)

Demand

Extra Large Postage Bags search demand

Weekly searches over the year, seasonality beneath. Pick a range.

4K3KSpike '26SepOctNovDecJanFebMarAprMayJun

Peak months: Feb · busiest ÷ quietest = 1.5× · 11 of 12 months tracked

Search terms

Top Extra Large Postage Bags search terms shoppers use

The exact words shoppers type, with estimated 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

Reviews and returns

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

We read the reviews and the return reasons for every product selling here.

22%of positive reviews mention “Size-Overall”
29%of negative reviews mention “Quality-Overall”
0.1%of orders come back
“Cheap quality”
A buyer, on “Quality-Overall”29% of negative reviews mention the same topic

Every topic

Every topic buyers talk about, one row each.

Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.

15 topics

NegativePositive

FAQ

Common Extra Large Postage Bags questions

Answered from the same tracked data.

Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data