---
title: "Index Cards 6x4 Ruled — £20K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/stationery-office-supplies/index-cards-6x4-ruled"
last_updated: "2026-07-31T20:49:58.485Z"
locale: en
meta:
  description: "Niche score 37/100 · £20K/yr market · 35K searches/yr · £5.62 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 37/100 · £20K/yr market · 35K searches/yr · £5.62 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Index Cards 6x4 Ruled — £20K/yr Amazon UK Niche (2026) - Flapen"
---

# **index cards 6x4 ruled**

**Skip it**

Prices mostly outside the sweet spot ($1.54–$12.71) — this niche doesn't clear our bar today.

Market size 5Growth 1Conversion 87Competition 59Returns 98Price range 0Avg price 16Brand share 24Review moat 35Quality gap 35

**Returns**

**Incredible****0.4%**

return rate — above 5% kills the launch gate

**Conversion**

**Great****10.1%**

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

**Competition**

**Good****50%**

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

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Review moat**

**Okay****2,961.64**

avg incumbent reviews — the moat a new listing must climb

**Brand share**

**Bad****90%**

top-5 brand share — brand-locked demand

**Avg price**

**Bad****£5.62**

avg listing price — sweet spot $15–$100

**Market size**

**Bad****£20K**

£20K/yr · 35K searches

**Growth**

**Bad****-48.4%**

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

**Price range**

**Bad****£1.54–£12.71**

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

According to Flapen's Amazon United Kingdom niche tracking, index cards 6x4 ruled is a £20K/yr Amazon United Kingdom market (35K searches/yr). The top 5 brands hold 90% of demand. Demand peaks in Feb–Mar–Apr. Verdict: Skip it — 37/100.

Data updated Jul 29, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **index cards 6x4 ruled market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**5K–6K**</dd><dd>avg 100–250/product</dd>

<dt>**Revenue / yr**</dt><dd>**£28K–£34K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**10.1%**</dd>

<dt>**Avg BSR**</dt><dd>**#61**</dd>

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

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**48%**</dd>

<dt>**Out of stock**</dt><dd>**2.0%**</dd>

<dt>**Avg brand age**</dt><dd>**33 months**</dd>

<dt>**Avg seller age**</dt><dd>**196 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products take 50% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**12 **▲rising

**Sellers**

**82**

**Top-5 brand share**

**90%**

Top 20: 100%

**Top-5 click share**

**50%**

Top 20: 96%

**Open market**

**7%**

- Silvine40% - Roneky18% - Hawksbill15% - Essential Arts11% - SUMMIT6% - 1ABOVE3% - Open — no brand owns it (6 brands, 7%)

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -48.4% search growth over the last 90 days.

1K800Spike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Feb, Mar, Apr · busiest ÷ quietest = 4.6×

[**Open Trend **](https://flapen.com/research/uk/stationery-office-supplies/index-cards-6x4-ruled/trend)

## **Top index cards 6x4 ruled search terms**

- **flash cards white**8K/yr-45.7%12.0% conv. - **white flash cards**9K/yr-63.3%13.1% conv. - **silvine revision cards**3K/yr-3.7%8.1% conv. - **flashcards white**8K/yr-54.5%9.9% conv. - **silvine record cards**4K/yr-55.4%10.4% conv. - **white revision cards**3K/yr-32.4%14.0% conv. [**All search terms **](https://flapen.com/research/uk/stationery-office-supplies/index-cards-6x4-ruled/search-terms)

## **Top index cards 6x4 ruled 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%4%£7858%£2K12%£2K16%£3K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

All 24 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Hawksbill White Index Cards A6 250 Pack Ruled Index Card for Study Office and Organization](https://m.media-amazon.com/images/I/31C+zt+YSEL.jpg)**Hawksbill White Index Cards A6 250 Pack Ruled Index Card for Study Office and Organization**Hawksbill**£3.80**4.5★46 rev](https://www.amazon.co.uk/dp/B0GJDLW86X) [2![Silvine 6x4 White Flash Cards - Lined with Headline (100 Record Cards) for Study Presentations and Notes](https://m.media-amazon.com/images/I/415-N0uBu0L.jpg)**Silvine 6x4 White Flash Cards - Lined with Headline (100 Record Cards) for Study Presentations and Notes**Silvine**£3.32**4.6★20,987 rev](https://www.amazon.co.uk/dp/B07BD1ZZNH) [3![Silvine 5x3 Record Cards - Lined with headline 100 cards per pack. Ref 553W (127 x 76mm)](https://m.media-amazon.com/images/I/41MO1in66PL.jpg)**Silvine 5x3 Record Cards - Lined with headline 100 cards per pack. Ref 553W (127 x 76mm)**Silvine**£1.74**4.6★1,650 rev](https://www.amazon.co.uk/dp/B001M4L7AA) [4![Summit Flash Cards Revision Cards 200 Pack Record Cards 125 x 75 mm Index Cards White](https://m.media-amazon.com/images/I/31EM1gmZYPL.jpg)**Summit Flash Cards Revision Cards 200 Pack Record Cards 125 x 75 mm Index Cards White**SUMMIT**£5.05**4.5★1,239 rev](https://www.amazon.co.uk/dp/B0BTSTNNLQ) [5![Flash Cards A610.2x14CM Revision Cards 200 PCS Index Cards Double Sided Ruled Flashcards Flash Cards Revision Recipe Record Study A6 Cards White for Office Home School](https://m.media-amazon.com/images/I/41+rqamu6zL.jpg)**Flash Cards A610.2x14CM Revision Cards 200 PCS Index Cards Double Sided Ruled Flashcards Flash Cards Revision Recipe Record Study A6 Cards White for Office Home School**Roneky**£5.91**4.6★134 rev](https://www.amazon.co.uk/dp/B0F83WGPF7)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Hawksbill White Index Cards A6 250 Pack Ruled Index Card for Study Office and Organization](https://m.media-amazon.com/images/I/31C+zt+YSEL.jpg)**Hawksbill White Index Cards A6 250 Pack Ruled Index Card for Study Office and Organization**Hawksbill**£3.80**46 rev6mo ago](https://www.amazon.co.uk/dp/B0GJDLW86X) [![Flash Cards A610.2x14CM Revision Cards 200 PCS Index Cards Double Sided Ruled Flashcards Flash Cards Revision Recipe Record Study A6 Cards White for Office Home School](https://m.media-amazon.com/images/I/41+rqamu6zL.jpg)**Flash Cards A610.2x14CM Revision Cards 200 PCS Index Cards Double Sided Ruled Flashcards Flash Cards Revision Recipe Record Study A6 Cards White for Office Home School**Roneky**£5.91**134 rev1y ago](https://www.amazon.co.uk/dp/B0F83WGPF7) [![400 PCS Index Cards A610.2x14CM Flash Cards Revision Cards A6 White Ruled Flashcards Revision Flash Cards Record Study Recipe Note Cards for Taking Notes Reminders](https://m.media-amazon.com/images/I/41igj9+WkUL.jpg)**400 PCS Index Cards A610.2x14CM Flash Cards Revision Cards A6 White Ruled Flashcards Revision Flash Cards Record Study Recipe Note Cards for Taking Notes Reminders**Roneky**£8.00**134 rev1y ago](https://www.amazon.co.uk/dp/B0F83YQ4ZQ) [![Flash Cards A610.2x14CM Index Cards 200 PCS Flashcards Ruled Writing Paper A6 Revision Flash Cards with 4 Metal Binder Ring Record Recipe Cue Cards White for Taking Notes Reminders](https://m.media-amazon.com/images/I/41Fsb6U5OnL.jpg)**Flash Cards A610.2x14CM Index Cards 200 PCS Flashcards Ruled Writing Paper A6 Revision Flash Cards with 4 Metal Binder Ring Record Recipe Cue Cards White for Taking Notes Reminders**Roneky**£6.33**99 rev1y ago](https://www.amazon.co.uk/dp/B0F83YDQWD) [![Flash Cards 420 Pcs Revision Study Cards 3x5 Inch Kraft Paper White Index Cards with 7 Metal Binder Ring Double Sided Flshcards Lined for Home School Learning Office Record](https://m.media-amazon.com/images/I/41-rtsM-5QL.jpg)**Flash Cards 420 Pcs Revision Study Cards 3x5 Inch Kraft Paper White Index Cards with 7 Metal Binder Ring Double Sided Flshcards Lined for Home School Learning Office Record**Aodaer**£7.87**14 rev1y ago](https://www.amazon.co.uk/dp/B0FD2VBSB7)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Luxpad A6 Wirebound Revision & Presentation Cards](https://m.media-amazon.com/images/I/41PlM0Sp9jL.jpg)**Luxpad A6 Wirebound Revision & Presentation Cards**Silvine**£2.36**4.6★**▲ 255%**](https://www.amazon.co.uk/dp/B01MRPEWHA) [![Hawksbill White Index Cards A6 250 Pack Ruled Index Card for Study Office and Organization](https://m.media-amazon.com/images/I/31C+zt+YSEL.jpg)**Hawksbill White Index Cards A6 250 Pack Ruled Index Card for Study Office and Organization**Hawksbill**£3.80**4.5★**▲ 153%**](https://www.amazon.co.uk/dp/B0GJDLW86X) [![Luxpad A6 Lined Revision & Presentation Cards - Assorted Colours + White. 150 Cards Per Pad (6x4)](https://m.media-amazon.com/images/I/41OUtztiL9L.jpg)**Luxpad A6 Lined Revision & Presentation Cards - Assorted Colours + White. 150 Cards Per Pad (6x4)**Silvine**£3.91**4.6★**▲ 108%**](https://www.amazon.co.uk/dp/B07K7RX64X) [![Silvine 5x3 Record Cards - Lined with headline 100 cards per pack. Ref 553W (127 x 76mm)](https://m.media-amazon.com/images/I/41MO1in66PL.jpg)**Silvine 5x3 Record Cards - Lined with headline 100 cards per pack. Ref 553W (127 x 76mm)**Silvine**£1.74**4.6★**▲ 100%**](https://www.amazon.co.uk/dp/B001M4L7AA) [![Silvine A6 (6x4) 300 Multi Coloured Index Revision Cards - 3 Packs x 100](https://m.media-amazon.com/images/I/415vNo0l8gL.jpg)**Silvine A6 (6x4) 300 Multi Coloured Index Revision Cards - 3 Packs x 100**Silvine**£5.48**4.8★**▲ 98%**](https://www.amazon.co.uk/dp/B0CV4K5QHC)

**~~View all trending →~~**

## **What buyers say about index cards 6x4 ruled**

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

### **What buyers love **

**Quality-Overall**21%

*“Good quality”*

**Advertised Vs Actual Product**21%

*“As advertised”*

**Size-Overall**16%

*“the perfect size”*

**Value For Money**12%

*“Although good value for the amount”*

**Ease Of Use**6%

*“easy to use”*

**Color**4%

*“Great size and colours”*

**Document Organizing/Classification**4%

*“more than enough for organising notes across multiple subjects or topics”*

**Paper Quality**4%

*“Good quality paper”*

**Thickness**2%

*“They are thick enough without being bulky”*

**Strength**1%

*“They are sturdy”*

### **What buyers complain about **

**Thickness**28%

*“Thinner than I expected”*

**Paper Quality**10%

*“They are bits of cardboard - not a lot to really say”*

**Quality-Overall**10%

*“This time the card quality has declined with ruled lines faded and patchy”*

**Size-Overall**9%

*“Larger than I meant to get -”*

**Value For Money**6%

*“the new pricing feels excessive”*

**Strength**3%

*“Quite thin”*

**Writing Experience**3%

*“the lines are so faint when youre writing notes its hard to stay on the lines”*

### **Top return reasons **

**Size-Overall**90%

**Thin**3%

**Advertised Vs Actual Product**2%

**Color**1%

**Paper Quality**1%

**Value For Money**1%

**Quality-Overall**1%

**Water Resistance**1%

**Strength**0%

**Functionality-Overall**0%

## **Common questions**

<dl>

<dt>**Is index cards 6x4 ruled profitable to sell on Amazon United Kingdom?**</dt><dd>The niche generates £20K/yr across 25 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -48.4%. Flapen's verdict: Skip it (37/100).</dd>

<dt>**How competitive is the index cards 6x4 ruled niche?**</dt><dd>12 brands and 82 sellers compete. The top 5 products take 50% of clicks and top 5 brands hold 90% of demand.</dd>

<dt>**What do buyers complain about in index cards 6x4 ruled?**</dt><dd>Top complaints mined from reviews: Thickness, Paper Quality, Quality-Overall. The return rate is 0.4%.</dd>

<dt>**When does demand for index cards 6x4 ruled peak?**</dt><dd>Demand peaks in Feb–Mar–Apr; the busiest month runs 4.6× the quietest.</dd>

<dt>**What does it cost to enter the index cards 6x4 ruled niche?**</dt><dd>Listings span £1.54–£12.71; the average listing price is £5.62 (sweet spot $15–$100). The average incumbent carries 2,962 reviews — the moat a new listing must climb.</dd>

</dl>

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