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Postal Boxes

Maybe

An estimated 0.1% of orders come back. But shoppers spend an estimated $51K a year here, so Postal Boxes is a Maybe.

Flapen Score
50
50 / 100
Top 44% of 740 Business, Industry & Science niches · +1 vs the category median of 49
Market size
£51K/yr138K searches / yr
90-day growth
-15.2%search demand this quarter
Competition
39%top-5 click share · 25 brands · 41 sellers

Flapen Score

Postal Boxes against its category

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

50Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Postal Boxes market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Postal Boxes 138K times last year and spent an estimated £51K. The top 5 brands take 71% of clicks. Demand peaks in Dec. Flapen scores it 50 out of 100, a Maybe.

01 · Demand

An estimated 2.8% of those searches ended in a purchase.

Shoppers searched for this 138K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 2.8% of those searches ended in a purchase. Searches in the last 90 days moved -15.2% against the 90 days before. Searches, conversion and average price together put the market at an estimated £51K a year.

Searches, last 12 months
138K
Growth, 90 days vs prior 90
-15.2%
Conversion, latest week
2.8%
Market size, estimated
£51Ka year
Peak month
December2.7× the quietest month
Top search term
postal boxes67K searches a year

02 · Price

A sale here is worth £13.40.

Listings sell for £13.40 on average, from £4.01 to £29.57. Amazon reports units sold in ranges. This niche sold 3K to 4K a year. The average listing sells 0 to 100 of them. At £13.40 that is £0 to £1K a year per listing.

Average price
£13.40under the $15 to $100 sweet spot
Price range
£4.01–£29.57
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
3K–4K
Units per listing a year
0–100
Revenue per listing a year
£0–£1K
Returns
0.1%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is low.

69% of listings pay for placement with sponsored ads. 44% ship with Prime. On an average day, 5.6% of listings are out of stock. The average listing ranks #96 within Packaging & Shipping Supplies. It carries 798 reviews at 4.40 stars, so a new listing needs social proof before a better product.

Sponsored listings
69%
Prime listings
44%
Out of stock, average day
5.6%
Average rank
#96in Packaging & Shipping Supplies
Average rating
4.40 starsAmazon United Kingdom average 4.36 stars
Average reviews
798per listing
Listings tracked
48

04 · Newcomers

2 of last year's 3 launches cleared the first-year sales bar.

3 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 44 months on average, so the names here are settling in.

Launched, last 12 months
3
Successful launches
2Amazon's first-year sales bar
Average brand age
44 months

Products

Top Postal Boxes 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 39% of clicks, no more. An open shelf where new products get seen.

£0£2K£4K£6K£8K101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

25 rising

Sellers

41

Est. top-5 brand share

71%

Top 20: 96%

Est. top-5 click share

39%

Top 20: 71%

Open market

24%

  • Triplast19%
  • W.E. Roberts19%
  • All-Pack Solutions15%
  • HORLIMER10%
  • AKAR9%
  • Packaging Hero4%

Demand

Postal Boxes search demand

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

13K8KHoliday '24Spike '25Holiday '25SepDecMarJunAugNovMarMay

Peak months: Dec · busiest ÷ quietest = 2.7×

Search terms

Top Postal Boxes search terms shoppers use

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

  • postal boxes67K/yr
  • postal box14K/yr
  • royal mail medium parcel box 61x46x468K/yr
  • packaging boxes for small business11K/yr
  • postal boxes medium9K/yr
  • brown box6K/yr
  • extra large shipping boxes5K/yr
  • mailer boxes4K/yr
  • flat boxes4K/yr
  • 100cm x 100cm cardboard box4K/yr

Reviews and returns

What reviews say buyers love and hate about Postal Boxes

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

25%of positive reviews mention “Strength”
31%of negative reviews mention “Strength”
0.1%of orders come back
“Too flimsy”
A buyer, on “Strength”31% 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.

18 topics

NegativePositive

FAQ

Common Postal Boxes 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