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Do Not Bend Envelopes

Fail

Prices span $3.39–$8.30, mostly outside the sweet spot, so Do Not Bend Envelopes is a Fail.

Flapen Score
32
32 / 100
Ranks 720 of 740 Business, Industry & Science niches · −17 vs the category median of 49
Market size
£41K/yr77K searches / yr
90-day growth
-4.5%search demand this quarter
Competition
87%top-5 click share · 6 brands · 11 sellers

Flapen Score

Do Not Bend Envelopes against its category

The dotted line is the Business, Industry & Science average. Past it, Do Not Bend Envelopes is stronger. Inside it, weaker.

32Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Do Not Bend Envelopes market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Do Not Bend Envelopes 77K times last year and spent an estimated £41K. The top 5 brands take 98% of clicks. Flapen scores it 32 out of 100, a Fail.

01 · Demand

An estimated 9.8% of those searches ended in a purchase.

Shoppers searched for this 77K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 9.8% of those searches ended in a purchase. Searches in the last 90 days moved -4.5% against the 90 days before. Searches, conversion and average price together put the market at an estimated £41K a year.

Searches, last 12 months
77K
Growth, 90 days vs prior 90
-4.5%
Conversion, latest week
9.8%
Market size, estimated
£41Ka year
Peak month
November1.3× the quietest month
Top search term
do not bend envelopes27K searches a year

02 · Price

A sale here is worth £5.38.

Listings sell for £5.38 on average, from £3.39 to £8.30. Amazon reports units sold in ranges. This niche sold 6K to 8K a year. The average listing sells 250 to 500 of them. At £5.38 that is £1K to £3K a year per listing.

Average price
£5.38under the $15 to $100 sweet spot
Price range
£3.39–£8.30
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
6K–8K
Units per listing a year
250–500
Revenue per listing a year
£1K–£3K
Returns
0.4%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. 78% ship with Prime. On an average day, 3.4% of listings are out of stock. The average listing ranks #25 within Packaging & Shipping Supplies. It carries 563 reviews at 4.72 stars, so a new listing needs social proof before a better product.

Sponsored listings
100%
Prime listings
78%
Out of stock, average day
3.4%
Average rank
#25in Packaging & Shipping Supplies
Average rating
4.72 starsAmazon United Kingdom average 4.36 stars
Average reviews
563per listing
Listings tracked
9

04 · Newcomers

0 of last year's 1 launches cleared the first-year sales bar.

1 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 46 months on average, so the names here are settling in.

Launched, last 12 months
1
Successful launches
0Amazon's first-year sales bar
Average brand age
46 months

Products

Top Do Not Bend Envelopes 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 87% of clicks. A locked shelf that new listings rarely crack.

£0£4K£8K£12K£16K1101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

6 falling

Sellers

11

Est. top-5 brand share

98%

Top 20: 100%

Est. top-5 click share

87%

Top 20: 100%

Open market

0%

  • Double Dragon43%
  • Postmaster24%
  • iSOUL21%
  • AKAR5%
  • STRBOXONG5%
  • UKPAPER2%

Demand

Do Not Bend Envelopes search demand

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

2K2KSpike '25Holiday '25Spike '26JanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

No pronounced peak months · busiest ÷ quietest = 1.3×

Search terms

Top Do Not Bend Envelopes search terms shoppers use

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

  • do not bend envelopes27K/yr
  • cardboard envelopes16K/yr
  • hardback envelopes5K/yr
  • please do not bend envelopes4K/yr
  • hard back envelopes3K/yr
  • do not bend envelopes a64K/yr
  • a6 hardback envelopes3K/yr
  • a6 do not bend envelopes3K/yr
  • hard envelopes3K/yr
  • card backed envelopes3K/yr

Reviews and returns

What reviews say buyers love and hate about Do Not Bend Envelopes

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

32%of positive reviews mention “Quality-Overall”
20%of negative reviews mention “Erasability”
0.4%of orders come back
“This cannot be erased or wiped away so there is not excuse once its left your hands for anyone to alter its shape”
A buyer, on “Erasability”20% 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.

17 topics

NegativePositive

FAQ

Common Do Not Bend Envelopes 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