---
title: "Small Cardboard Boxes — £140K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/business-industry-science/small-cardboard-boxes"
last_updated: "2026-07-31T17:31:06.476Z"
locale: en
meta:
  description: "Niche score 43/100 · £140K/yr market · 326K searches/yr · £9.35 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 43/100 · £140K/yr market · 326K searches/yr · £9.35 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Small Cardboard Boxes — £140K/yr Amazon UK Niche (2026) - Flapen"
---

# **small cardboard boxes**

**Skip it**

Soft demand (-15.7% this quarter) — this niche doesn't clear our bar today.

Market size 31Growth 17Conversion 55Competition 36Returns 98Price range 17Avg price 28Brand share 43Review moat 70Quality gap 48

**Returns**

**Incredible****0.4%**

return rate — above 5% kills the launch gate

**Review moat**

**Good****683.58**

avg incumbent reviews — the moat a new listing must climb

**Conversion**

**Good****4.6%**

search→purchase rate — share of searches ending in a sale

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Brand share**

**Okay****79%**

top-5 brand share — brands hold most of the demand

**Competition**

**Okay****63%**

top-5 click share — leaders hold, buyers still browse

**Market size**

**Okay****£140K**

£140K/yr · 326K searches

**Avg price**

**Okay****£9.35**

avg listing price — sweet spot $15–$100

**Growth**

**Bad****-15.7%**

90-day search growth — must beat 0% to launch

**Price range**

**Bad****£4.01–£17.31**

cheapest to priciest tracked listing — scored on the share inside $15–$100

According to Flapen's Amazon United Kingdom niche tracking, small cardboard boxes is a £140K/yr Amazon United Kingdom market (326K searches/yr). The top 5 brands hold 79% of demand. Verdict: Skip it — 43/100.

Data updated Jul 21, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **small cardboard boxes market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**15K–20K**</dd><dd>avg 250–500/product</dd>

<dt>**Revenue / yr**</dt><dd>**£140K–£187K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**4.6%**</dd>

<dt>**Avg BSR**</dt><dd>**#72**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**63%**</dd>

<dt>**Sponsored**</dt><dd>**63%**</dd>

<dt>**Out of stock**</dt><dd>**4.8%**</dd>

<dt>**Avg brand age**</dt><dd>**41 months**</dd>

<dt>**Avg seller age**</dt><dd>**183 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**15 **▼falling

**Sellers**

**23**

**Top-5 brand share**

**79%**

Top 20: 100%

**Top-5 click share**

**63%**

Top 20: 100%

**Open market**

**17%**

- Triplast38% - Trendecor13% - All-Pack Solutions12% - STRBOXONG8% - Apex Business Supplies8% - HORLIMER4% - Open — no brand owns it (9 brands, 17%)

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -15.7% search growth over the last 90 days.

9K7KHoliday '24Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.5×

[**Open Trend **](https://flapen.com/research/uk/business-industry-science/small-cardboard-boxes/trend)

## **Top small cardboard boxes search terms**

- **small cardboard boxes**62K/yr-13.9%3.5% conv. - **small parcel boxes**42K/yr-19.2%4.1% conv. - **small boxes for posting**33K/yr-14.5%4.8% conv. - **royal mail small parcel boxes**22K/yr-10.5%4.9% conv. - **cardboard boxes small**18K/yr-18.4%3.6% conv. - **small postage boxes**17K/yr-30.4%4.1% conv. - **small cardboard boxes for posting**14K/yr-14.8%3.5% conv. - **small parcel box**13K/yr-19.2%3.1% conv. - **small shipping boxes**14K/yr-16.6%3.3% conv. - **postal box**14K/yr-14.7%1.0% conv. [**All search terms **](https://flapen.com/research/uk/business-industry-science/small-cardboard-boxes/search-terms)

## **Top small cardboard boxes 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.

0%10%£14K20%£28K30%£42K40%£56K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 19 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Triplast 203 x 152 x 152mm Small Single Wall 8x6x6 Shipping Mailing Postal Gift Cuboid Cardboard Boxes (Pack of 5)](https://m.media-amazon.com/images/I/41nFDhnOruL.jpg)**Triplast 203 x 152 x 152mm Small Single Wall 8x6x6 Shipping Mailing Postal Gift Cuboid Cardboard Boxes (Pack of 5)**Triplast**£4.01**4.5★511 rev](https://www.amazon.co.uk/dp/B01DSYR89A) [2![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)](https://m.media-amazon.com/images/I/41nob0TmylL.jpg)**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)**Trendecor**£7.56**4.1★30 rev](https://www.amazon.co.uk/dp/B0DSFVC26G) [3![All-Pack Solutions 10 Royal Mail Small Parcel Postal mailing Boxes 350x250x160mm (Deep Option)](https://m.media-amazon.com/images/I/516v-rpg9CL.jpg)**All-Pack Solutions 10 Royal Mail Small Parcel Postal mailing Boxes 350x250x160mm (Deep Option)**All-Pack Solutions**£6.80**4.5★2,660 rev](https://www.amazon.co.uk/dp/B00G6LJRB0) [4![Triplast 203 x 152 x 102mm Small Single Wall 8x6x4 Shipping Mailing Postal Gift Cuboid Cardboard Boxes (Pack of 25)](https://m.media-amazon.com/images/I/41LvU5ryPbL.jpg)**Triplast 203 x 152 x 102mm Small Single Wall 8x6x4 Shipping Mailing Postal Gift Cuboid Cardboard Boxes (Pack of 25)**Triplast**£7.57**4.6★1,744 rev](https://www.amazon.co.uk/dp/B01DSYR1XS) [5![Corrugated Cardboard Shipping Boxes 15x10x5cm Royal Mail Small Parcel Boxes Packaging Mailing Boxes for Business Posting Storing or Gift(Pack of 10)](https://m.media-amazon.com/images/I/41+AmkqapeS.jpg)**Corrugated Cardboard Shipping Boxes 15x10x5cm Royal Mail Small Parcel Boxes Packaging Mailing Boxes for Business Posting Storing or Gift(Pack of 10)**STRBOXONG**£8.29**4.6★851 rev](https://www.amazon.co.uk/dp/B0967WPWMJ)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![25 Boxes of 8x6x4 Inch Small Cardboard Boxes Pack of 25 | Single Wall Shipping Boxes Mailing & Postal Boxes | Strong Corrugated Packing Boxes for Moving Storage Royal Mail Small Parcel](https://m.media-amazon.com/images/I/41cqj+WvgUL.jpg)**25 Boxes of 8x6x4 Inch Small Cardboard Boxes Pack of 25 | Single Wall Shipping Boxes Mailing & Postal Boxes | Strong Corrugated Packing Boxes for Moving Storage Royal Mail Small Parcel**Apex Business Supplies**£8.20**16 rev2mo ago](https://www.amazon.co.uk/dp/B0GYSQ5QST) [![10 Boxes of 8x6x6 Inch Small Cardboard Boxes Pack of 10 | Single Wall Corrugated Shipping Packing & Postal Boxes | Strong Moving & Storage Boxes for Mailing Gift & Royal Mail Small Parcel](https://m.media-amazon.com/images/I/41xtXu1XtTL.jpg)**10 Boxes of 8x6x6 Inch Small Cardboard Boxes Pack of 10 | Single Wall Corrugated Shipping Packing & Postal Boxes | Strong Moving & Storage Boxes for Mailing Gift & Royal Mail Small Parcel**Apex Business Supplies**£7.44**9 rev2mo ago](https://www.amazon.co.uk/dp/B0GYSKFLBR) [![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)](https://m.media-amazon.com/images/I/41nob0TmylL.jpg)**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)**Trendecor**£7.56**30 rev1y ago](https://www.amazon.co.uk/dp/B0DSFVC26G) [![HORLIMER 6 Pack Shipping Boxes 152x100x76 mm (6x4x3 inch) Brown Corrugated Cardboard Boxes for Small Item Packaging Secure Storage and Business](https://m.media-amazon.com/images/I/418C1FrRHmL.jpg)**HORLIMER 6 Pack Shipping Boxes 152x100x76 mm (6x4x3 inch) Brown Corrugated Cardboard Boxes for Small Item Packaging Secure Storage and Business**HORLIMER**£7.67**445 rev1y ago](https://www.amazon.co.uk/dp/B0CX53MV9C) [![10 x Parcel Postal Mailing Boxes 350x250x160mm | Small Parcel Packing Shipping Cardboard Boxes](https://m.media-amazon.com/images/I/31gWhYkEn6L.jpg)**10 x Parcel Postal Mailing Boxes 350x250x160mm | Small Parcel Packing Shipping Cardboard Boxes**Sunrise Packaging**£7.03**192 rev2y ago](https://www.amazon.co.uk/dp/B0D2Y96PYJ)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![25 Boxes of 8x6x4 Inch Small Cardboard Boxes Pack of 25 | Single Wall Shipping Boxes Mailing & Postal Boxes | Strong Corrugated Packing Boxes for Moving Storage Royal Mail Small Parcel](https://m.media-amazon.com/images/I/41cqj+WvgUL.jpg)**25 Boxes of 8x6x4 Inch Small Cardboard Boxes Pack of 25 | Single Wall Shipping Boxes Mailing & Postal Boxes | Strong Corrugated Packing Boxes for Moving Storage Royal Mail Small Parcel**Apex Business Supplies**£8.20**4.4★**▲ 337%**](https://www.amazon.co.uk/dp/B0GYSQ5QST) [![10 Boxes of 8x6x6 Inch Small Cardboard Boxes Pack of 10 | Single Wall Corrugated Shipping Packing & Postal Boxes | Strong Moving & Storage Boxes for Mailing Gift & Royal Mail Small Parcel](https://m.media-amazon.com/images/I/41xtXu1XtTL.jpg)**10 Boxes of 8x6x6 Inch Small Cardboard Boxes Pack of 10 | Single Wall Corrugated Shipping Packing & Postal Boxes | Strong Moving & Storage Boxes for Mailing Gift & Royal Mail Small Parcel**Apex Business Supplies**£7.44**4.6★**▲ 336%**](https://www.amazon.co.uk/dp/B0GYSKFLBR) [![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)](https://m.media-amazon.com/images/I/31J6XfqFJPL.jpg)**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)**AKAR**£16.48**4.2★**▲ 297%**](https://www.amazon.co.uk/dp/B08KS52F92) [![APACALI 50 Pack Small Shipping Boxes 150x100x40mm / 5.9 x 3.9 x 1.5 Inch Brown Corrugated Cardboard Mailing Boxes for Business Packing Mailing Storing Posting](https://m.media-amazon.com/images/I/41DxJyMIvrL.jpg)**APACALI 50 Pack Small Shipping Boxes 150x100x40mm / 5.9 x 3.9 x 1.5 Inch Brown Corrugated Cardboard Mailing Boxes for Business Packing Mailing Storing Posting**APACALI**£16.92**4.3★**▲ 147%**](https://www.amazon.co.uk/dp/B0C6GNGB7Q) [![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)](https://m.media-amazon.com/images/I/41nob0TmylL.jpg)**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)**Trendecor**£7.56**4.1★**▲ 93%**](https://www.amazon.co.uk/dp/B0DSFVC26G)

**~~View all trending →~~**

## **What buyers say about small cardboard boxes**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Size-Overall**18%

*“There good size”*

**Value For Money**18%

*“Good for the price”*

**Quality-Overall**14%

*“Excellent quality boxes”*

**Advertised Vs Actual Product**12%

*“As described”*

**Strength**10%

*“It's fairly sturdy”*

**Assembly/Installation**9%

*“Easy assembly”*

**Ease Of Use**4%

*“Easy to use”*

**Thickness**2%

*“The thickness of the cardboard is good”*

**Weight Light**2%

*“These are pretty lightweight”*

**Adhesion/Stickiness**1%

*“Have some glue handy”*

### **What buyers complain about **

**Quality-Overall**23%

*“boxes are bad quality”*

**Strength**23%

*“Very flimsy”*

**Size-Overall**21%

*“Size listing is incorrect”*

**Adhesion/Stickiness**6%

*“They don't even close properly or line up to tape up”*

**Advertised Vs Actual Product**5%

*“Size listing is incorrect”*

**Thin**3%

*“Very thin”*

**Value For Money**2%

*“I was searching for shoe boxes which it turned out were quite expensive”*

**Thickness**2%

*“a bit thin”*

**Assembly/Installation**1%

*“Poorly put together needed half a roll of tape to keep it together”*

**Ethical Trade/Fair Trade**1%

*“Stay away, scam”*

### **Top return reasons **

**Size-Overall**85%

**Strength**3%

**Thin**2%

**Quality-Overall**2%

**Advertised Vs Actual Product**2%

**Defective Material/Parts**1%

**Value For Money**1%

**Moist/Dry**1%

**Product Condition**1%

**Ease Of Use**0%

## **Common questions**

<dl>

<dt>**Is small cardboard boxes profitable to sell on Amazon United Kingdom?**</dt><dd>The niche generates £140K/yr across 19 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is -15.7%. Flapen's verdict: Skip it (43/100).</dd>

<dt>**How competitive is the small cardboard boxes niche?**</dt><dd>15 brands and 23 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 79% of demand.</dd>

<dt>**What do buyers complain about in small cardboard boxes?**</dt><dd>Top complaints mined from reviews: Quality-Overall, Strength, Size-Overall. The return rate is 0.4%.</dd>

<dt>**When does demand for small cardboard boxes peak?**</dt><dd>Demand is steady year-round — the busiest month runs 1.5× the quietest.</dd>

<dt>**What does it cost to enter the small cardboard boxes niche?**</dt><dd>Listings span £4.01–£17.31; the average listing price is £9.35 (sweet spot $15–$100). The average incumbent carries 684 reviews — the moat a new listing must climb.</dd>

</dl>

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