A4 Hardback Envelopes
FailThe top 5 brands take 100% of clicks, so A4 Hardback Envelopes is a Fail.
- Flapen Score
- 35 / 100Ranks 703 of 835 Stationery & Office Supplies niches · −12 vs the category median of 4735
- Market size
- £65K/yr30K searches / yr
- 90-day growth
- -1.1%search demand this quarter
- Competition
- 88%top-5 click share · 4 brands · 7 sellers
Flapen Score
A4 Hardback Envelopes against its category
The dotted line is the Stationery & Office Supplies average. Past it, A4 Hardback Envelopes is stronger. Inside it, weaker.
Market
The A4 Hardback Envelopes market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for A4 Hardback Envelopes 30K times last year and spent an estimated £65K. All 4 brands take every click. Flapen scores it 35 out of 100, a Fail.
01 · Demand
22.4% of searches ended in a purchase last week.
Shoppers searched for this 30K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. In the latest week, 22.4% of those searches ended in a purchase. Searches in the last 90 days moved -1.1% against the 90 days before. Searches, conversion and average price together put the market at an estimated £65K a year.
- Searches, last 12 months
- 30K
- Growth, 90 days vs prior 90
- -1.1%
- Conversion, latest week
- 22.4%
- Market size, estimated
- £65Ka year
- Peak month
- November1.5× the quietest month
- Top search term
- a4 hardback envelopes12K searches a year
02 · Price
A sale here is worth £9.58.
Listings sell for £9.58 on average, from £3.39 to £18.19. Amazon reports units sold in ranges. This niche sold 6K to 8K a year. The average listing sells 500 to 750 of them. At £9.58 that is £5K to £7K a year per listing.
- Average price
- £9.58under the $15 to $100 sweet spot
- Price range
- £3.39–£18.19
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 6K–8K
- Units per listing a year
- 500–750
- Revenue per listing a year
- £5K–£7K
- Returns
- 0.3%of orders · Amazon United Kingdom median 0.6%
03 · Entry bar
The bar here is ads.
100% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #13 within Envelopes & Mailing Supplies. It carries 1,142 reviews at 4.71 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 100%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #13in Envelopes & Mailing Supplies
- Average rating
- 4.71 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 1,142per listing
- Listings tracked
- 8
04 · Newcomers
Brands here are settling in.
The brands on the shelf have sold for 41 months on average, so the names here are settling in.
- Launched, last 12 months
- 0
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 41 months
Products
Top A4 Hardback Envelopes products & what they sell for
Every tracked product: its share of the shelf, its reviews, and its price.
Top sellers
by 90-day click share
20Pcs A4 Envelopes Self-Seal iSOUL 324mm x 229mm A4 C4 Manilla Hard Board Backed Envelopes Do Not Bend Envelope
- Price
- £5.20
- Rating
- 4.7/5
- Reviews
- 2,159
- Age
- 6y ago

Double Dragon 20-Pack A4 C4 Manilla Do Not Bend Envelopes (324 x 229mm)
- Price
- £4.92
- Rating
- 4.8/5
- Reviews
- 498
- Age
- 1y ago

Double Dragon 100-Pack A4 C4 Manilla Hard Board Backed Envelopes | 324mm x 229mm | Please Do Not Bend Printed | Padded & Tamper-Proof | Self-Seal Closure
- Price
- £14.84
- Rating
- 4.8/5
- Reviews
- 498
- Age
- 1y ago

Postmaster A4 C4 Do Not Bend Board Backed Envelopes Peel Seal 50 Pack Brown 229x324mm
- Price
- £10.51
- Rating
- 4.6/5
- Reviews
- 268
- Age
- 4y ago

10Pcs A4 Envelopes iSOUL 324mm x 229mm A4 C4 Manilla Hard Board Backed Envelopes Do Not Bend Envelope (Pack of 10)
- Price
- £4.11
- Rating
- 4.7/5
- Reviews
- 1,374
- Age
- 6y ago
Trending
90-day click momentum
Double Dragon 100-Pack A4 C4 Manilla Hard Board Backed Envelopes | 324mm x 229mm | Please Do Not Bend Printed | Padded & Tamper-Proof | Self-Seal Closure
- Price
- £14.84
- Rating
- 4.8/5
- Reviews
- 498
- Age
- 1y ago

20Pcs A4 Envelopes Self-Seal iSOUL 324mm x 229mm A4 C4 Manilla Hard Board Backed Envelopes Do Not Bend Envelope
- Price
- £5.20
- Rating
- 4.7/5
- Reviews
- 2,159
- Age
- 6y ago

10Pcs A4 Envelopes iSOUL 324mm x 229mm A4 C4 Manilla Hard Board Backed Envelopes Do Not Bend Envelope (Pack of 10)
- Price
- £4.11
- Rating
- 4.7/5
- Reviews
- 1,374
- Age
- 6y ago

Postmaster A4 C4 Do Not Bend Board Backed Envelopes Peel Seal 50 Pack Brown 229x324mm
- Price
- £10.51
- Rating
- 4.6/5
- Reviews
- 268
- Age
- 4y ago

Triplast 100 x A4 C4 Manilla Hard Board Back Envelopes (324x229mm) - Cardboard Backed Mailers with Peel & Seal Strip - Rigid Do Not Bend Envelopes for Mailing Posting Shipping & Storing Documents
- Price
- £15.44
- Rating
- 4.7/5
- Reviews
- 2,676
- Age
- 10y ago
Newest
by launch date
Double Dragon 20-Pack A4 C4 Manilla Do Not Bend Envelopes (324 x 229mm)
- Price
- £4.92
- Rating
- 4.8/5
- Reviews
- 498
- Age
- 1y ago

Double Dragon 100-Pack A4 C4 Manilla Hard Board Backed Envelopes | 324mm x 229mm | Please Do Not Bend Printed | Padded & Tamper-Proof | Self-Seal Closure
- Price
- £14.84
- Rating
- 4.8/5
- Reviews
- 498
- Age
- 1y ago

Postmaster Please Do Not Bend Envelopes A5 Hardback Peel Seal x 10 Pack C5 Boardback 229 x 162mm
- Price
- £3.39
- Rating
- 4.7/5
- Reviews
- 291
- Age
- 2y ago

Postmaster A4 C4 Do Not Bend Board Backed Envelopes Peel Seal 50 Pack Brown 229x324mm
- Price
- £10.51
- Rating
- 4.6/5
- Reviews
- 268
- Age
- 4y ago

125Pcs A4 Envelopes iSOUL 324mm x 229mm A4 C4 Manilla Hard Board Backed Envelopes Do Not Bend Envelope
- Price
- £18.19
- Rating
- 4.7/5
- Reviews
- 1,374
- Age
- 6y ago
Competition
Competition: brands, sellers & click share
The top 5 products take 88% of clicks. A locked shelf that new listings rarely crack.
Brands
4 falling
Sellers
7
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
88%
Top 20: 100%
Open market
0%
- iSOUL61%
- Double Dragon24%
- Postmaster11%
- Triplast3%
- Open — no brand owns it (0%)
Demand
A4 Hardback Envelopes search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.5×
Search terms
Top A4 Hardback Envelopes search terms shoppers use
The exact words shoppers type, with yearly volume, growth, and conversion.
- a4 hardback envelopes12K/yr
- a4 cardboard envelopes8K/yr
- hard back envelopes a45K/yr
- a4 board backed envelopes3K/yr
- a4 hard backed envelopes3K/yr
Reviews and returns
What reviews say buyers love and hate about A4 Hardback Envelopes
What buyers praise, what they complain about and why they send it back, from the reviews.
Complain
Do not bend
Review of A4 do not bend envelopes
But flimsly
Flimsy
Only provided 19 instead of the 20 advertised
Love
Great quality compared to some other low quality board backed envelopes
I think the price is very reasonable considering the quality
Decent Quality
Excellent value for money
Excellent value for money
Good price
does the job
As described
Did what was required
Great as described fit for purpose
Useful size envelopes
Suits purpose
Perfect if youre posting documents, certificates, photos, books or anything you want arriving in good condition
Perfect A4 envelopes for A4 calendars or posting photographs
Satisfactory and protective A4 envelope
Return
0.3% Return rate 71% Fixable by listing
But flimsly
Flimsy
Keep looking
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Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common A4 Hardback Envelopes questions
Answered from the same tracked data.









