Large Postage Bags
FailPrices span $2.59–$8.10, mostly outside the sweet spot, so Large Postage Bags is a Fail.
- Flapen Score
- 44 / 100Ranks 520 of 740 Business, Industry & Science niches · −5 vs the category median of 4944
- Market size
- £416K/yr707K searches / yr
- 90-day growth
- -27.2%search demand this quarter
- Competition
- 57%top-5 click share · 9 brands · 15 sellers
Flapen Score
Large Postage Bags against its category
The dotted line is the Business, Industry & Science average. Past it, Large Postage Bags is stronger. Inside it, weaker.
Market
The Large Postage Bags market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for Large Postage Bags 707K times last year and spent an estimated £416K. The top 5 brands take 89% of clicks. Demand peaks in Oct–Nov. Flapen scores it 44 out of 100, a Fail.
01 · Demand
An estimated 13.2% of those searches ended in a purchase.
Shoppers searched for this 707K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 13.2% of those searches ended in a purchase. Searches in the last 90 days moved -27.2% against the 90 days before. Searches, conversion and average price together put the market at an estimated £416K a year.
- Searches, last 12 months
- 707K
- Growth, 90 days vs prior 90
- -27.2%
- Conversion, latest week
- 13.2%
- Market size, estimated
- £416Ka year
- Peak month
- November2.1× the quietest month
- Top search term
- large postage bags162K searches a year
02 · Price
A sale here is worth £4.48.
Listings sell for £4.48 on average, from £2.59 to £8.10. Amazon reports units sold in ranges. This niche sold 80K to 100K a year. The average listing sells 4,000 to 5,000 of them. At £4.48 that is £18K to £22K a year per listing.
- Average price
- £4.48under the $15 to $100 sweet spot
- Price range
- £2.59–£8.10
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 80K–100K
- Units per listing a year
- 4,000–5,000
- Revenue per listing a year
- £18K–£22K
- Returns
- 0.1%of orders · Amazon United Kingdom median 0.6%
03 · Entry bar
The bar here is ads and reviews.
90% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 6.7% of listings are out of stock. The average listing ranks #9 within Packaging & Shipping Supplies. It carries 4,867 reviews at 4.55 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 90%
- Prime listings
- 100%
- Out of stock, average day
- 6.7%
- Average rank
- #9in Packaging & Shipping Supplies
- Average rating
- 4.55 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 4,867per listing
- Listings tracked
- 21
04 · Newcomers
1 of last year's 3 launches cleared the first-year sales bar.
3 products launched here in the last 12 months. 1 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
- 3
- Successful launches
- 1Amazon's first-year sales bar
- Average brand age
- 41 months
Products
Top 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.
Top sellers
by estimated 90-day click share![25 x Strong Large Grey Mailing Postal Postage Bags 17 x 24 Packaging Mailers [Use in Parcel Delivery Shipping Mail Package] [432mm x 610mm]](https://m.media-amazon.com/images/I/31LX25wEzIS.jpg)
25 x Strong Large Grey Mailing Postal Postage Bags 17 x 24 Packaging Mailers [Use in Parcel Delivery Shipping Mail Package] [432mm x 610mm]
- Price
- £5.02
- Rating
- 4.7/5
- Reviews
- 8,846
- Age
- 5y ago

Paxfords Large Postage Bags for Clothes 17x24- Extra Strong Packing Bags for Posting - Strong Self-Seal Packaging Postal Bags - Grey Recyclable Mailing and Shipping Mailers (5)
- Price
- £4.74
- Rating
- 4.7/5
- Reviews
- 309
- Age
- 9mo ago

Double Dragon 60 Mixed Size Self-Seal Mailer Bags | Tamper-Proof Plastic Packaging for Mailing Postage Shipping & Delivery | Grey (4 Sizes | Small to Large | 15 Each)
- Price
- £3.18
- Rating
- 4.3/5
- Reviews
- 13,980
- Age
- 2y ago

Double Dragon 25-Pack 17x24 Self-Seal Grey Large Mailer Bags |Self-Seal Shipping Envelopes | Strong Waterproof Tamper-Proof Polythene Packaging for Clothes Bedding & Parcels (Also for Storage)
- Price
- £5.05
- Rating
- 4.2/5
- Reviews
- 5,390
- Age
- 2y ago

Large Postage Bags for Clothes 22x30- Extra Strong Packing Bags for Posting - Strong Self-Seal Packaging Postal Bags - Grey Recyclable Mailing and Shipping Mailers (5)
- Price
- £5.09
- Rating
- 4.7/5
- Reviews
- 143
- Age
- 7mo ago
Trending
estimated 90-day click momentum
Large Postage Bags 17x24 for Clothes - Extra Strong Packing Bags for Posting - Strong Self-Seal Packaging Postal Bags - Grey Recyclable Mailing and Shipping Mailers (5)
- Price
- £3.84
- Rating
- 4.7/5
- Reviews
- 3,469
- Age
- 5y ago
![25 x Strong Large Baby Pink Mailing Postal Postage Bags 17 x 24 Packaging Mailers [Use in Parcel Delivery Shipping Mail Package] [432mm x 610mm] Pink](https://m.media-amazon.com/images/I/3180zBqKJYL.jpg)
25 x Strong Large Baby Pink Mailing Postal Postage Bags 17 x 24 Packaging Mailers [Use in Parcel Delivery Shipping Mail Package] [432mm x 610mm] Pink
- Price
- £5.87
- Rating
- 4.4/5
- Reviews
- 73
- Age
- 4mo ago

JeeJaan 20 Large Grey Parcel Bags 14 x 21 - (356 x 533mm) Strong Polythene Self Adhesive Waterproof Postage Bags | Envelope Courier Shipping Postal Bags
- Price
- £4.28
- Rating
- 4.7/5
- Reviews
- 3,469
- Age
- 5y ago

125 Assorted Mixed Pink Mailing Poly Postal Self Seal Bags 5 Sizes 25 from Each iSOUL Extra Small to Large Postage Packaging Assorted Mailers Posting Shipping Post Parcels Package Bags
- Price
- £5.21
- Rating
- 4.6/5
- Reviews
- 2,197
- Age
- 1y ago

Large Postage Bags for Clothes 22x30- Extra Strong Packing Bags for Posting - Strong Self-Seal Packaging Postal Bags - Grey Recyclable Mailing and Shipping Mailers (5)
- Price
- £5.09
- Rating
- 4.7/5
- Reviews
- 143
- Age
- 7mo ago
Newest
by launch date![25 x Strong Large Baby Pink Mailing Postal Postage Bags 17 x 24 Packaging Mailers [Use in Parcel Delivery Shipping Mail Package] [432mm x 610mm] Pink](https://m.media-amazon.com/images/I/3180zBqKJYL.jpg)
25 x Strong Large Baby Pink Mailing Postal Postage Bags 17 x 24 Packaging Mailers [Use in Parcel Delivery Shipping Mail Package] [432mm x 610mm] Pink
- Price
- £5.87
- Rating
- 4.4/5
- Reviews
- 73
- Age
- 4mo ago

Large Postage Bags for Clothes 22x30- Extra Strong Packing Bags for Posting - Strong Self-Seal Packaging Postal Bags - Grey Recyclable Mailing and Shipping Mailers (5)
- Price
- £5.09
- Rating
- 4.7/5
- Reviews
- 143
- Age
- 7mo ago

Paxfords Large Postage Bags for Clothes 17x24- Extra Strong Packing Bags for Posting - Strong Self-Seal Packaging Postal Bags - Grey Recyclable Mailing and Shipping Mailers (5)
- Price
- £4.74
- Rating
- 4.7/5
- Reviews
- 309
- Age
- 9mo ago

delka Mailing Bags Durable Pink Poly Mailer Bags Tear-Resistant Shipping Envelopes for Clothing Documents Strong Self-Seal Adhesive Waterproof & Lightweight (6x9 50PK)
- Price
- £2.67
- Rating
- 4.6/5
- Reviews
- 556
- Age
- 1y ago

125 Assorted Mixed Pink Mailing Poly Postal Self Seal Bags 5 Sizes 25 from Each iSOUL Extra Small to Large Postage Packaging Assorted Mailers Posting Shipping Post Parcels Package Bags
- Price
- £5.21
- Rating
- 4.6/5
- Reviews
- 2,197
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 57% of clicks. Leaders hold, but buyers still shop past them.
Brands
9 rising
Sellers
15
Est. top-5 brand share
89%
Top 20: 100%
Est. top-5 click share
57%
Top 20: 99%
Open market
6%
- iSOUL31%
- Paxfords21%
- Double Dragon18%
- JeeJaan12%
- G4GADGET7%
- Calzette5%
- Open — no brand owns it (3 brands, 6%)
Demand
Large Postage Bags search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Oct, Nov · busiest ÷ quietest = 2.1×
Search terms
Top Large Postage Bags search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- large postage bags162K/yr
- large parcel bags101K/yr
- parcel bags large66K/yr
- large mailing bags76K/yr
- postage bags large41K/yr
- mailing bags large30K/yr
- extra large postage bags33K/yr
- large shipping bags21K/yr
- large postal bags18K/yr
- large packing bags13K/yr
Reviews and returns
What reviews say buyers love and hate about Large Postage Bags
We read the reviews and the return reasons for every product selling here.
“Cheap quality”
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.
14 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common 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









