---
title: "4x6 Cardstock — $143K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/arts-crafts-sewing/4x6-cardstock"
last_updated: "2026-08-09T07:06:33.563Z"
locale: en
meta:
  description: "Niche score 43/100 · $143K/yr market · 172K searches/yr · $10.73 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 43/100 · $143K/yr market · 172K searches/yr · $10.73 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "4x6 Cardstock — $143K/yr Amazon US Niche (2026) - Flapen"
---

# **4x6 cardstock**

**Skip it**

Strong incumbent ratings (4.7★) — this niche doesn't clear our bar today.

Market size 31Growth 35Conversion 78Competition 28Returns 78Price range 30Avg price 39Brand share 53Review moat 47Quality gap 21

**Conversion**

**Great****7.8%**

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

**Returns**

**Great****1.9%**

return rate — above 5% kills the launch gate

**Brand share**

**Good****73%**

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

**Review moat**

**Okay****1,798**

avg incumbent reviews — the moat a new listing must climb

**Avg price**

**Okay****$10.73**

avg listing price — sweet spot $15–$100

**Growth**

**Okay****+7.8%**

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

**Market size**

**Okay****$143K**

$143K/yr · 172K searches

**Price range**

**Okay****$5.72–$19.03**

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

**Competition**

**Okay****68%**

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

**Quality gap**

**Bad****4.7★**

avg incumbent rating — lower means beatable quality

**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")

According to Flapen's Amazon United States niche tracking, 4x6 cardstock is a $143K/yr Amazon United States market (172K searches/yr). The top 5 brands hold 73% of demand. Verdict: Skip it — 43/100.

Data updated Jul 10, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **4x6 cardstock market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**15K–20K**</dd><dd>avg 500–750/product</dd>

<dt>**Revenue / yr**</dt><dd>**$161K–$215K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**7.8%**</dd>

<dt>**Avg BSR**</dt><dd>**#127**</dd>

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

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

<dt>**Sponsored**</dt><dd>**87%**</dd>

<dt>**Out of stock**</dt><dd>**7.1%**</dd>

<dt>**Avg brand age**</dt><dd>**44 months**</dd>

<dt>**Avg seller age**</dt><dd>**175 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products take 68% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**18 **▼falling

**Sellers**

**52**

**Top-5 brand share**

**73%**

Top 20: 100%

**Top-5 click share**

**68%**

Top 20: 97%

**Open market**

**22%**

- TEETOOKEA22% - SUMERX18% - Amazon Basics16% - Smanzu10% - Nitelemn7% - Goefun5%

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — +7.8% search growth over the last 90 days.

4K3KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.5×

[**Open Trend **](https://flapen.com/research/us/arts-crafts-sewing/4x6-cardstock/trend)

## **Top 4x6 cardstock search terms**

- **4x6 cardstock**67K/yr+7.3%8.5% conv. - **4x6 paper**25K/yr+17.0%5.7% conv. - **card stock 4 x 6**15K/yr-0.1%5.1% conv. - **4x6 cardstock paper**14K/yr+10.7%6.4% conv. - **cardstock 4x6**9K/yr+6.2%6.8% conv. - **4 x 6 cardstock**7K/yr+2.8%7.7% conv. - **4x6 card stock**7K/yr+12.2%8.4% conv. - **4 x 6 paper**4K/yr+30.3%4.5% conv. - **4x6 cardstock paper for printing**4K/yr+25.4%8.7% conv. - **a6 cardstock**4K/yr-10.7%1.0% conv. [**All search terms **](https://flapen.com/research/us/arts-crafts-sewing/4x6-cardstock/search-terms)

## **Top 4x6 cardstock 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%$29K30%$43K40%$57K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

All 23 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![100 Pack 4x6 White Cardstock Paper 92lb/250GSM Heavyweight Blank Card Thick Index Card for Printer Postcards Wedding Invitation Thankyou Cards](https://m.media-amazon.com/images/I/31BBIDh5b5L.jpg)**100 Pack 4x6 White Cardstock Paper 92lb/250GSM Heavyweight Blank Card Thick Index Card for Printer Postcards Wedding Invitation Thankyou Cards**TEETOOKEA**$6.86**4.7★306 rev](https://www.amazon.com/dp/B0D5R54R9J) [2![100 Sheets 4 X 6 White Cardstock Heavyweight Cardstock Sheets Blank Invitation Paper Greeting Cards Printable 75lb Cover 200 GSM/White](https://m.media-amazon.com/images/I/31Jj9qmMVZL.jpg)**100 Sheets 4 X 6 White Cardstock Heavyweight Cardstock Sheets Blank Invitation Paper Greeting Cards Printable 75lb Cover 200 GSM/White**SUMERX**$6.90**4.5★362 rev](https://www.amazon.com/dp/B0BWYBQHG6) [3![Amazon Basics Blank Index Cards for Studying and Note Taking White 4 x 6 1000 Count (Pack of 2)](https://m.media-amazon.com/images/I/21igYHve0UL.jpg)**Amazon Basics Blank Index Cards for Studying and Note Taking White 4 x 6 1000 Count (Pack of 2)**Amazon Basics**$14.08**4.7★32,126 rev](https://www.amazon.com/dp/B086Q8MC2K) [4![Smanzu 50 Pack 4x6 White Cardstock Paper Blank Thick Heavyweight 92lb Card Stock for Making Index Cards Invitations cards Postcards](https://m.media-amazon.com/images/I/21dLV4TVm3L.jpg)**Smanzu 50 Pack 4x6 White Cardstock Paper Blank Thick Heavyweight 92lb Card Stock for Making Index Cards Invitations cards Postcards**Smanzu**$5.99**4.8★212 rev](https://www.amazon.com/dp/B0C2D2NB98) [5![100 Sheets Rainbow Colored 92LB/250gsm Cardstock (4 x 6Inch)](https://m.media-amazon.com/images/I/417XU43R2UL.jpg)**100 Sheets Rainbow Colored 92LB/250gsm Cardstock (4 x 6Inch)**Nitelemn**$7.96**4.6★232 rev](https://www.amazon.com/dp/B0CXD2WPNF)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Guakicae 60 Sheets Cream Cardstock 4 x 6 Ivory Paper 300gsm/110lb Heavyweight Flat Off White Card Stock Certificates Paper for Card Making Business Cards Postcards Scrapbooking Menus](https://m.media-amazon.com/images/I/31vZ3K2O-6L.jpg)**Guakicae 60 Sheets Cream Cardstock 4 x 6 Ivory Paper 300gsm/110lb Heavyweight Flat Off White Card Stock Certificates Paper for Card Making Business Cards Postcards Scrapbooking Menus**Guakicae**$9.29**108 rev7mo ago](https://www.amazon.com/dp/B0FXG9MJ6R) [![Vellumasx 50 Sheets Textured Paper 4 x 6 inch Cold Press Watercolor Paper 140lb/300 GSM Handmade Sheet for Watercolors Cards Crafts Wedding Invitations](https://m.media-amazon.com/images/I/3141E0AKZyL.jpg)**Vellumasx 50 Sheets Textured Paper 4 x 6 inch Cold Press Watercolor Paper 140lb/300 GSM Handmade Sheet for Watercolors Cards Crafts Wedding Invitations**Vellumasx**$12.28**125 rev1y ago](https://www.amazon.com/dp/B0F83XNX2J) [![200 Sheets 4 X 6 White Cardstock Heavyweight Cardstock Sheets Blank Invitation Paper Greeting Cards Printable 75lb Cover 200 GSM/White](https://m.media-amazon.com/images/I/317YhTIQyCL.jpg)**200 Sheets 4 X 6 White Cardstock Heavyweight Cardstock Sheets Blank Invitation Paper Greeting Cards Printable 75lb Cover 200 GSM/White**SUMERX**$12.75**362 rev1y ago](https://www.amazon.com/dp/B0F387ZXYG) [![50 Sheets Deckled Edge Paper 4 x 6inch 160 GSM Handmade Paper Rough/Textured Watercolor Paper for Wedding Invitations Cards Crafts](https://m.media-amazon.com/images/I/31p17KLMN6L.jpg)**50 Sheets Deckled Edge Paper 4 x 6inch 160 GSM Handmade Paper Rough/Textured Watercolor Paper for Wedding Invitations Cards Crafts**Prudiut**$8.68**341 rev1y ago](https://www.amazon.com/dp/B0DQKY77QB) [![Geosar 100 Sheets Linen Cardstock 4 x 6 Invitation Heavy Weight Printer Paper 92lb 250GSM Index Cardstock for Printer Postcards Blank Flash Note Greeting(Cream)](https://m.media-amazon.com/images/I/21RGopBcSEL.jpg)**Geosar 100 Sheets Linen Cardstock 4 x 6 Invitation Heavy Weight Printer Paper 92lb 250GSM Index Cardstock for Printer Postcards Blank Flash Note Greeting(Cream)**Geosar**$12.75**22 rev1y ago](https://www.amazon.com/dp/B0DJW6ZK3M)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![200 Sheets 4 X 6 White Cardstock Heavyweight Cardstock Sheets Blank Invitation Paper Greeting Cards Printable 75lb Cover 200 GSM/White](https://m.media-amazon.com/images/I/317YhTIQyCL.jpg)**200 Sheets 4 X 6 White Cardstock Heavyweight Cardstock Sheets Blank Invitation Paper Greeting Cards Printable 75lb Cover 200 GSM/White**SUMERX**$12.75**4.5★**▲ 90%**](https://www.amazon.com/dp/B0F387ZXYG) [![Guakicae 60 Sheets Cream Cardstock 4 x 6 Ivory Paper 300gsm/110lb Heavyweight Flat Off White Card Stock Certificates Paper for Card Making Business Cards Postcards Scrapbooking Menus](https://m.media-amazon.com/images/I/31vZ3K2O-6L.jpg)**Guakicae 60 Sheets Cream Cardstock 4 x 6 Ivory Paper 300gsm/110lb Heavyweight Flat Off White Card Stock Certificates Paper for Card Making Business Cards Postcards Scrapbooking Menus**Guakicae**$9.29**4.6★**▲ 75%**](https://www.amazon.com/dp/B0FXG9MJ6R) [![Geosar 100 Sheets Linen Cardstock 4 x 6 Invitation Heavy Weight Printer Paper 92lb 250GSM Index Cardstock for Printer Postcards Blank Flash Note Greeting(Cream)](https://m.media-amazon.com/images/I/21RGopBcSEL.jpg)**Geosar 100 Sheets Linen Cardstock 4 x 6 Invitation Heavy Weight Printer Paper 92lb 250GSM Index Cardstock for Printer Postcards Blank Flash Note Greeting(Cream)**Geosar**$12.75**5.0★**▲ 63%**](https://www.amazon.com/dp/B0DJW6ZK3M) [![S&O 300gsm 4x6 Postcard Paper Cardstock(Both Sides Blank) For Art or Clear Thank Notes for MailingSet of 60 White Blank Invitation Sheets Printable Stationery Set Bulk greeting Cards Pack](https://m.media-amazon.com/images/I/21iw+neSaVS.jpg)**S&O 300gsm 4x6 Postcard Paper Cardstock(Both Sides Blank) For Art or Clear Thank Notes for MailingSet of 60 White Blank Invitation Sheets Printable Stationery Set Bulk greeting Cards Pack**Sweetzer & Orange**$6.83**4.5★**▲ 39%**](https://www.amazon.com/dp/B091M7B2LC) [![Hysiwen 50 Sheets White Card Stock 4 x 6 Inches 250gsm/92 lb Blank Cardstock Paper for Making Postcards Invitation Cards Greeting Cards Paper Crafts or Drawing(W46)](https://m.media-amazon.com/images/I/31o1Db82-SL.jpg)**Hysiwen 50 Sheets White Card Stock 4 x 6 Inches 250gsm/92 lb Blank Cardstock Paper for Making Postcards Invitation Cards Greeting Cards Paper Crafts or Drawing(W46)**Hysiwen**$5.72**4.7★**▲ 35%**](https://www.amazon.com/dp/B0D7243D57)

**~~View all trending →~~**

## **What buyers say about 4x6 cardstock**

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

### **What buyers love **

**Quality-Overall**24%

*“Quality cardstock”*

**Advertised Vs Actual Product**9%

*“As described”*

**Print Quality**8%

*“they printed easily”*

**Value For Money**8%

*“Affordable”*

**Paper Quality**7%

*“Clean, great paper”*

**Color**6%

*“Color accuracy is correct”*

**Thickness**6%

*“thick card stock”*

**Material Quality**5%

*“Good quality and economical material”*

**Size-Overall**5%

*“Perfect size”*

**Strength**4%

*“they're not super flimsy either”*

### **What buyers complain about **

**Thickness**28%

*“This was not much thicker than regular paper”*

**Paper Quality**11%

*“And when it comes down to paper I don't care about quality unless it's part of one of my crafting projects”*

**Quality-Overall**8%

*“Not appropriate for anything requiring strength or quality”*

**Strength**4%

*“Very flimsy, more so than any index card I've purchased in the last 20 years”*

**Gifting Purpose**4%

*“not to give as a gift”*

**Value For Money**4%

*“The paper feels super expensive”*

**Color**4%

*“Color is muted and the paper is too thin for greeting cards, art prints, or postcards”*

**Jamming/Clogging**3%

*“Gets jammed”*

**Advertised Vs Actual Product**2%

*“Its unfortunate because I was hoping to use these as part of a flip book for photos”*

**Hard Feel**2%

*“Kind of rough texture”*

### **Top return reasons **

**Size-Overall**40%

**Paper Quality**8%

**Color**8%

**Advertised Vs Actual Product**6%

**Value For Money**5%

**Thin**5%

**Print Quality**4%

**Compatibility-Overall**4%

**Thickness**3%

**Paper Compatibility**3%

## **Common questions**

<dl>

<dt>**Is 4x6 cardstock profitable to sell on Amazon United States?**</dt><dd>The niche generates $143K/yr across 23 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +7.8%. Flapen's verdict: Skip it (43/100).</dd>

<dt>**How competitive is the 4x6 cardstock niche?**</dt><dd>18 brands and 52 sellers compete. The top 5 products take 68% of clicks and top 5 brands hold 73% of demand.</dd>

<dt>**What do buyers complain about in 4x6 cardstock?**</dt><dd>Top complaints mined from reviews: Thickness, Paper Quality, Quality-Overall. The return rate is 1.9%.</dd>

<dt>**When does demand for 4x6 cardstock 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 4x6 cardstock niche?**</dt><dd>Listings span $5.72–$19.03; the average listing price is $10.73 (sweet spot $15–$100). The average incumbent carries 1,798 reviews — the moat a new listing must climb.</dd>

</dl>

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