Postal Boxes
MaybeAn 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 / 100Top 44% of 740 Business, Industry & Science niches · +1 vs the category median of 4950
- 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.
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.
Top sellers
by estimated 90-day click share
All-Pack Solutions 10 Royal Mail Small Parcel Postal mailing Boxes 350x250x160mm (Deep Option)
- Price
- £6.80
- Rating
- 4.5/5
- Reviews
- 2,660
- Age
- 12y ago

Triplast 203 x 152 x 152mm Small Single Wall 8x6x6 Shipping Mailing Postal Gift Cuboid Cardboard Boxes (Pack of 5)
- Price
- £4.01
- Rating
- 4.5/5
- Reviews
- 511
- Age
- 10y ago

HORLIMER 25 Pack Shipping Boxes 23x15.5x5cm(9x6x2 inches) Corrugated Cardboard Mailing Box Brown
- Price
- £17.07
- Rating
- 4.7/5
- Reviews
- 1,763
- Age
- 4y ago

AKAR Double Wall Extra Large (XL) Cardboard Boxes (61cm x 46cm x 46 cm) for Moving House Removals Packing including Economy Fragile Tape (2 Boxes + 1 Tape)
- Price
- £16.48
- Rating
- 4.2/5
- Reviews
- 69
- Age
- 5y ago

Pack of 50 Die Cut Postal Mailing Cardboard Boxes White (250 x 150 x 100mm)
- Price
- £22.95
- Rating
- 4.3/5
- Reviews
- 346
- Age
- 15y ago
Trending
estimated 90-day click momentum
AKAR Double Wall Extra Large (XL) Cardboard Boxes (61cm x 46cm x 46 cm) for Moving House Removals Packing including Economy Fragile Tape (2 Boxes + 1 Tape)
- Price
- £16.48
- Rating
- 4.2/5
- Reviews
- 69
- Age
- 5y ago

Cenoid Medium Postal Boxes 30x20x8cm Pink Postage Parcel Shipping Cardboard Boxes for Posting Shipping Delivery Packaging boxes for Small Business (Pack of 20)
- Price
- £21.49
- Rating
- 4.5/5
- Reviews
- 178
- Age
- 1y ago

HORLIMER 25 Pack Shipping Boxes 23x15.5x5cm(9x6x2 inches) Corrugated Cardboard Mailing Box Brown
- Price
- £17.07
- Rating
- 4.7/5
- Reviews
- 1,763
- Age
- 4y ago

Triplast 203 x 152 x 152mm Small Single Wall 8x6x6 Shipping Mailing Postal Gift Cuboid Cardboard Boxes (Pack of 5)
- Price
- £4.01
- Rating
- 4.5/5
- Reviews
- 511
- Age
- 10y ago

100 x C5 A5 PIP Box Shipping Mail Postal Large Letter Boxes - Size: 235x165x22mm Sold by MEG4TEC
- Price
- £10.63
- Rating
- 4.3/5
- Reviews
- 450
- Age
- 11y ago
Newest
by launch date
HORLIMER 20 Pack Shipping Boxes 30.5x22.9x10.2cm(12x9x4 inches) Corrugated Cardboard Box for Packing MailingBrown
- Price
- £22.52
- Rating
- 4.7/5
- Reviews
- 1,763
- Age
- 1y ago

HORLIMER 20 Pack 30.5x22.9x10.2cm(12x9x4 inches) Shipping Boxes White Corrugated Cardboard Box for packing Mailing
- Price
- £21.26
- Rating
- 4.7/5
- Reviews
- 1,763
- Age
- 1y ago

Small Cardboard Boxes Brown Corrugated Shipping Boxes 7.3x5 x1.8 Inches (18.5x12.5x4.5 cm) Small Parcel Boxes Packaging Mailing Boxes for Business Posting Storing or Gift(Pack of 10)
- Price
- £7.56
- Rating
- 4.1/5
- Reviews
- 30
- Age
- 1y ago

Cenoid Medium Postal Boxes 30x20x8cm Pink Postage Parcel Shipping Cardboard Boxes for Posting Shipping Delivery Packaging boxes for Small Business (Pack of 20)
- Price
- £21.49
- Rating
- 4.5/5
- Reviews
- 178
- Age
- 1y ago

W.E. Roberts Strong Double Wall Cardboard Boxes (Pack of 15) - Boxes for posting Boxes for moving house Packing boxes Postal Shipping Boxes (305mm x 229mm x 229mm (12 x 9 x 9))
- Price
- £14.01
- Rating
- 4.6/5
- Reviews
- 416
- Age
- 1y ago
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.
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.
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.
“Too flimsy”
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
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 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









