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Window Envelopes

Fail

The top 5 brands take 99% of clicks, so Window Envelopes is a Fail.

Flapen Score
38
38 / 100
Ranks 660 of 740 Business, Industry & Science niches · −11 vs the category median of 49
Market size
£58K/yr30K searches / yr
90-day growth
-13.4%search demand this quarter
Competition
81%top-5 click share · 6 brands · 15 sellers

Flapen Score

Window Envelopes against its category

The dotted line is the Business, Industry & Science average. Past it, Window Envelopes is stronger. Inside it, weaker.

38Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Window Envelopes market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Window Envelopes 30K times last year and spent an estimated £58K. The top 5 brands take 99% of clicks. Flapen scores it 38 out of 100, a Fail.

01 · Demand

An estimated 22.8% of those searches ended in a purchase.

Shoppers searched for this 30K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 22.8% of those searches ended in a purchase. Searches in the last 90 days moved -13.4% against the 90 days before. Searches, conversion and average price together put the market at an estimated £58K a year.

Searches, last 12 months
30K
Growth, 90 days vs prior 90
-13.4%
Conversion, latest week
22.8%
Market size, estimated
£58Ka year
Peak month
March1.3× the quietest month
Top search term
window envelopes11K searches a year

02 · Price

A sale here is worth £8.46.

Listings sell for £8.46 on average, from £2.60 to £19.45. Amazon reports units sold in ranges. This niche sold 8K to 10K a year. The average listing sells 500 to 750 of them. At £8.46 that is £4K to £6K a year per listing.

Average price
£8.46under the $15 to $100 sweet spot
Price range
£2.60–£19.45
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
8K–10K
Units per listing a year
500–750
Revenue per listing a year
£4K–£6K
Returns
0.2%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. 73% ship with Prime. On an average day, 8.3% of listings are out of stock. The average listing ranks #39 within Packaging & Shipping Supplies. It carries 482 reviews at 4.52 stars, so a new listing needs social proof before a better product.

Sponsored listings
100%
Prime listings
73%
Out of stock, average day
8.3%
Average rank
#39in Packaging & Shipping Supplies
Average rating
4.52 starsAmazon United Kingdom average 4.36 stars
Average reviews
482per listing
Listings tracked
11

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 72 months on average, so the names here are established.

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

Products

Top Window 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 81% of clicks. A locked shelf that new listings rarely crack.

£0£6K£12K£17K£23K1101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

6 rising

Sellers

15

Est. top-5 brand share

99%

Top 20: 100%

Est. top-5 click share

81%

Top 20: 100%

Open market

0%

  • Blake57%
  • Postmaster17%
  • Triplast15%
  • RFE6%
  • Globe Packaging3%
  • MA NASIR1%
  • Open — no brand owns it (0%)

Demand

Window Envelopes search demand

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

700500Spike '24Spike '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.3×

Search terms

Top Window Envelopes search terms shoppers use

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

  • window envelopes11K/yr
  • window envelopes self seal8K/yr
  • envelopes with windows5K/yr
  • dl window envelopes self seal 10003K/yr
  • dl window envelopes4K/yr

Reviews and returns

What reviews say buyers love and hate about Window Envelopes

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

44%of positive reviews mention “Advertised Vs Actual Product”
33%of negative reviews mention “Value For Money”
0.2%of orders come back
“struggle with quantity and price”
A buyer, on “Value For Money”33% 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.

11 topics

NegativePositive

FAQ

Common Window 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