a4 storage box
Worth a lookShows low returns (0.9%), but soft demand (-20.1% this quarter) keeps it on the watch list.
Returns
Incredible0.9%return rate — above 5% kills the launch gate
Competition
Good41%top-5 click share — leaders hold, buyers still browse
Brand share
Good62%top-5 brand share — brands hold most of the demand
Avg price
Good£13.49avg listing price — sweet spot $15–$100
Review moat
Good1,086avg incumbent reviews — the moat a new listing must climb
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Price range
Okay£6.31–£22.24cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Okay2.9%search→purchase rate — share of searches ending in a sale
Market size
Bad£90K£90K/yr · 229K searches
Growth
Bad-20.1%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, a4 storage box is a £90K/yr Amazon United Kingdom market (229K searches/yr). The top 5 brands hold 62% of demand. Verdict: Worth a look — 50/100.
Data updated Jul 28, 2026 · scored weekly · How we score niches
a4 storage box market data
- Units sold / yr
- 6K–8K
- avg 100–250/product
- Revenue / yr
- £81K–£108K
- units × avg price
- Conversion rate
- 2.9%
- Avg BSR
- #344
- Page quality
- 0%
- Prime
- 89%
- Sponsored
- 59%
- Out of stock
- 5.1%
- Avg brand age
- 43 months
- Avg seller age
- 181 days
Competition & brand share
The top 5 products take 41% of clicks — established leaders, but buyers still shop beyond them.Brands
25 falling
Sellers
47
Top-5 brand share
62%
Top 20: 95%
Top-5 click share
41%
Top 20: 81%
Open market
33%
- WestonBoxes24%
- Really Useful Box14%
- ASelected10%
- Leitz9%
- Kuleyang5%
- FALKEN5%
Demand
Weekly Amazon search volume, last 51 weeks — -20.1% search growth over the last 90 days.Top a4 storage box search terms
- a4 storage box42K/yr
- a4 box31K/yr
- a4 storage boxes with lids34K/yr
- a4 paper storage22K/yr
- a4 storage15K/yr
- paper storage box13K/yr
- a4 plastic box12K/yr
- a4 document box11K/yr
- a4 boxes10K/yr
- a4 storage boxes8K/yr
Top a4 storage box products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
WestonBoxes A4 Plastic Craft Storage Boxes with Lids for Art Supplies Paper and Card - 3.6 Litre Volume (Clear Pack of 5)
WestonBoxes£18.674.8★2,223 rev
ASelected A4 Transparent Plastic Craft Storage Boxes with Lids for Art Supplies 2Pcs Clear Boxes Storage 3.6 Litre Volume Plastic Organiser for Paper Seed Cards Picture Craft
ASelected£8.404.4★62 rev
Really Useful Box Plastic Storage 4 Litre Clear (Pack Of 4)
Really Useful Box£19.214.8★6,704 rev
WestonBoxes A4 Colourful Transparent Plastic Craft Storage Boxes with Lids for Art Supplies Paper and Card (Multicoloured / Transparent Pack of 5)
WestonBoxes£18.244.7★1,113 rev
6-Pack A4 Storage Boxes with Lids - Dustproof Water-Resistant Plastic Box Files for Office Home and School Organization Durable Document Holders for Paperwork Craft Supplies and School Projects
Kuleyang£14.254.1★26 rev
Newest
by launch date
Aupptugo A4 Storage Box 6 Pcs Transparent Plastic Craft Storage Boxes A4 Storage Boxes with Lids Plastic File Box with Latching Lid for Document Stationery Craft Certification
Aupptugo£14.191 rev
A4 Clear Box 4 Pcs Clear Plastic Boxs Portable Storage Boxs for Documents Magazines Photos
Bomxmon£9.489 rev
Vurixfo 2 Pack Clear A4 Storage Box Plastic A4 File Box with Lid Portable Project Case Clear Multi-Purpose Document Case Paper Storage for Craft Document Magazine Art Supplies
Vurixfo£12.1616 rev
WestonBoxes A4 Oversize Clip Lid Storage Box Clear Plastic - Stackable
WestonBoxes£20.1451 rev
A4 Transparent Plastic Craft Storage Boxes 6 Pack Plastic A4 File Box with Latching Lid Clear Multi-Purpose Document Case for Document Stationery Craft Certification
Lusacy£17.264 rev
Trending
90-day click momentumAupptugo A4 Storage Box 6 Pcs Transparent Plastic Craft Storage Boxes A4 Storage Boxes with Lids Plastic File Box with Latching Lid for Document Stationery Craft Certification
Aupptugo£14.195.0★
A4 Transparent Plastic Craft Storage Boxes 6 Pack Plastic A4 File Box with Latching Lid Clear Multi-Purpose Document Case for Document Stationery Craft Certification
Lusacy£17.265.0★
A4 Clear Box 4 Pcs Clear Plastic Boxs Portable Storage Boxs for Documents Magazines Photos
Bomxmon£9.483.9★
Really Useful Box Plastic Storage 4 Litre Clear (Pack Of 4)
Really Useful Box£19.214.8★
Vurixfo 2 Pack Clear A4 Storage Box Plastic A4 File Box with Lid Portable Project Case Clear Multi-Purpose Document Case Paper Storage for Craft Document Magazine Art Supplies
Vurixfo£12.164.8★
What buyers say about a4 storage box
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent Quality”
“Strong and sturdy”
“Great size”
“Really useful”
“Perfect simple storage”
“As advertised”
“worth purchasing”
“They seem quite durable”
“Ream of paper fits in just nice”
“They stack securely and neatly”
What buyers complain about
“fragile - one was broken”
“Singly they have become quite expensive so I bought the 4 pack because they'll get used ultimately”
“Bad description”
“Slightly scratched on surface”
“Plastic seems a bit too thin”
“Only part usable”
“Only part usable”
“Rough edges”
“Not designed to be lockable”
Top return reasons
Common questions
- Is a4 storage box profitable to sell on Amazon United Kingdom?
- The niche generates £90K/yr across 37 tracked products. 1 of 8 products launched in the last 360 days are still selling. 90-day search growth is -20.1%. Flapen's verdict: Worth a look (50/100).
- How competitive is the a4 storage box niche?
- 25 brands and 47 sellers compete. The top 5 products take 41% of clicks and top 5 brands hold 62% of demand.
- What do buyers complain about in a4 storage box?
- Top complaints mined from reviews: Strength, Value For Money, Advertised Vs Actual Product. The return rate is 0.9%.
- What does it cost to enter the a4 storage box niche?
- Listings span £6.31–£22.24; the average listing price is £13.49 (sweet spot $15–$100). The average incumbent carries 1,086 reviews — the moat a new listing must climb.