---
title: "Pen Knife — $72K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/arts-crafts-sewing/pen-knife"
last_updated: "2026-08-09T17:02:06.440Z"
locale: en
meta:
  description: "Niche score 55/100 · $72K/yr market · 254K searches/yr · $13.22 avg price. Soft demand (-15.4% this quarter) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 55/100 · $72K/yr market · 254K searches/yr · $13.22 avg price. Soft demand (-15.4% this quarter) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Pen Knife — $72K/yr Amazon US Niche (2026) - Flapen"
---

# **pen knife**

**Worth a look**

Shows low returns (1.0%), but soft demand (-15.4% this quarter) keeps it on the watch list.

Market size 18Growth 17Conversion 27Competition 82Returns 95Price range 81Avg price 60Brand share 94Review moat 42Quality gap 67

**Returns**

**Great****1.0%**

return rate — above 5% kills the launch gate

**Brand share**

**Great****41%**

top-5 brand share — no brand owns this niche

**Competition**

**Great****33%**

top-5 click share — an open shelf

**Price range**

**Great****$4.70–$63.47**

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

**Quality gap**

**Good****4.3★**

avg incumbent rating — lower means beatable quality

**Avg price**

**Good****$13.22**

avg listing price — sweet spot $15–$100

**Review moat**

**Okay****2,253.37**

avg incumbent reviews — the moat a new listing must climb

**Conversion**

**Okay****2.1%**

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

**Market size**

**Bad****$72K**

$72K/yr · 254K searches

**Growth**

**Bad****-15.4%**

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

**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%")

According to Flapen's Amazon United States niche tracking, pen knife is a $72K/yr Amazon United States market (254K searches/yr). The top 5 brands hold 41% of demand. Demand peaks in Nov–Dec. Verdict: Worth a look — 55/100.

Data updated Jul 8, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **pen knife market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**6K–8K**</dd><dd>avg 100–250/product</dd>

<dt>**Revenue / yr**</dt><dd>**$79K–$106K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**2.1%**</dd>

<dt>**Avg BSR**</dt><dd>**#344**</dd>

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

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

<dt>**Sponsored**</dt><dd>**77%**</dd>

<dt>**Out of stock**</dt><dd>**4.3%**</dd>

<dt>**Avg brand age**</dt><dd>**48 months**</dd>

<dt>**Avg seller age**</dt><dd>**162 days**</dd>

</dl>

## **Competition & brand share**

Clicks spread well past the top 5 (33% combined) — an open shelf where new products get seen.

**Brands**

**46 **▲rising

**Sellers**

**112**

**Top-5 brand share**

**41%**

Top 20: 79%

**Top-5 click share**

**33%**

Top 20: 68%

**Open market**

**54%**

- FUNBRO10% - Fiskars10% - Grand Way8% - Westcott8% - AMEND25% - ANKAKA5%

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -15.4% search growth over the last 90 days.

100K60KPrime Day '24Spike '24Holiday '24Prime Day '25Holiday '25 seasonSepDecMarJunAugNovMarMay

Peak months: Nov, Dec · busiest ÷ quietest = 15.0×

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

## **Top pen knife search terms**

- **pen knife**124K/yr-17.4%1.4% conv. - **knife pen**38K/yr-15.3%1.0% conv. - **pen knife self defense**17K/yr+15.7%0.5% conv. - **pen with hidden knife**9K/yr+12.7%0.4% conv. - **pen cutter**8K/yr-15.5%1.3% conv. - **pen knives**6K/yr-10.9%1.9% conv. - **pen knife for crafting**6K/yr-24.0%4.2% conv. - **exacto knife pen**6K/yr-26.0%3.6% conv. - **craft knife pen**5K/yr-29.9%3.9% conv. - **fiskars craft knife**4K/yr-2.1%7.8% conv. [**All search terms **](https://flapen.com/research/us/arts-crafts-sewing/pen-knife/search-terms)

## **Top pen knife 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%3%$2K6%$4K9%$6K12%$9K1101001K10K100K 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![FUNBRO EDC Pocket Knife - 7CR13Mov Steel Tanto Blade Slim Survival Knife with Clip and Liner Lock Window Breaker for Outdoor Camping- Stocking stuffer Gifts for Men Women](https://m.media-amazon.com/images/I/31-EgpF8asL.jpg)**FUNBRO EDC Pocket Knife - 7CR13Mov Steel Tanto Blade Slim Survival Knife with Clip and Liner Lock Window Breaker for Outdoor Camping- Stocking stuffer Gifts for Men Women**FUNBRO**$9.44**4.4★3,706 rev](https://www.amazon.com/dp/B0B824PKTF) [2![Grand Way 5.5 Knife - Small Black Knife - Japanese Utility - Sharp Knives - Letter and Envelope Opener - Pocket Knife for Men and Women - Multifunction Bike Tools Best Gift Idea 130129-1](https://m.media-amazon.com/images/I/41VtKObKcXL.jpg)**Grand Way 5.5 Knife - Small Black Knife - Japanese Utility - Sharp Knives - Letter and Envelope Opener - Pocket Knife for Men and Women - Multifunction Bike Tools Best Gift Idea 130129-1**Grand Way**$8.60**4.5★3,025 rev](https://www.amazon.com/dp/B0D1HQ848T) [3![Fiskars 6 Detail Craft Knife for Precision Cutting & Detail Work Arts & Crafts Exacto Hobby Knife for Scrapbooking Cutter Ideal for Cardstock Thin Plastic Photos Vinyl & Canvas Durable Aluminum](https://m.media-amazon.com/images/I/31TCUhFH40L.jpg)**Fiskars 6 Detail Craft Knife for Precision Cutting & Detail Work Arts & Crafts Exacto Hobby Knife for Scrapbooking Cutter Ideal for Cardstock Thin Plastic Photos Vinyl & Canvas Durable Aluminum**Fiskars**$6.23**4.5★10,714 rev](https://www.amazon.com/dp/B001A42CTW) [4![Westcott 17314 Pen-Style Retractable CarboTitanium Bonded Hobby Knife Gold](https://m.media-amazon.com/images/I/21DC7h8xXZL.jpg)**Westcott 17314 Pen-Style Retractable CarboTitanium Bonded Hobby Knife Gold**Westcott**$10.94**4.7★164 rev](https://www.amazon.com/dp/B07THFJ2QB) [5![AMEND2 Self-Defense Pen V3 G10 Core Full-Length SDTOOL](https://m.media-amazon.com/images/I/21s47ptUcEL.jpg)**AMEND2 Self-Defense Pen V3 G10 Core Full-Length SDTOOL**AMEND2**$12.78**4.3★24 rev](https://www.amazon.com/dp/B0FQDN89LF)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![6PCS Craft Knife Pen Retractable Utility Knife Paper Cutter Pen Art Cutting Tool Utility Precision Carving Tools for DIY Scrapbooking Drawing Sticker Stuff - 6 Colors](https://m.media-amazon.com/images/I/41eTvPgC+mL.jpg)**6PCS Craft Knife Pen Retractable Utility Knife Paper Cutter Pen Art Cutting Tool Utility Precision Carving Tools for DIY Scrapbooking Drawing Sticker Stuff - 6 Colors**Apojgitn**$4.70**3 rev6mo ago](https://www.amazon.com/dp/B0GFVT3RW8) [![Multi-Functional Survival Tactical Pen 11-in-1 Includes Umbrella Rope Utility Knife Whistle & Fishing Tools Emergency Safety Kit for Hikers Campers Anglers](https://m.media-amazon.com/images/I/41ZqnNyDyJL.jpg)**Multi-Functional Survival Tactical Pen 11-in-1 Includes Umbrella Rope Utility Knife Whistle & Fishing Tools Emergency Safety Kit for Hikers Campers Anglers**Kaojoy**$10.68**12 rev6mo ago](https://www.amazon.com/dp/B0GDY7WN4X) [![AMEND2 Self-Defense Pen V3 G10 Core Full-Length SDTOOL](https://m.media-amazon.com/images/I/21s47ptUcEL.jpg)**AMEND2 Self-Defense Pen V3 G10 Core Full-Length SDTOOL**AMEND2**$12.78**24 rev10mo ago](https://www.amazon.com/dp/B0FQDN89LF) [![2 Pcs 2-in-1 Multifunctional Gel pen Knife Retractable Blade and Pen Safety Box Cutter Cutting Paper Tools Portable Writing Pen and cutter(White + Black)](https://m.media-amazon.com/images/I/21o-XD9fNBL.jpg)**2 Pcs 2-in-1 Multifunctional Gel pen Knife Retractable Blade and Pen Safety Box Cutter Cutting Paper Tools Portable Writing Pen and cutter(White + Black)**XTUOSHP**$7.37**13 rev1y ago](https://www.amazon.com/dp/B0FG79F92B) [![Retractable Carving Pen Knife Set 6 PCS Precision Art Knives with 6 Replacement Blades Ideal for DIY Crafts Scrapbooking Drawing and Detailed Paper Cutting](https://m.media-amazon.com/images/I/41iYHPSoNHL.jpg)**Retractable Carving Pen Knife Set 6 PCS Precision Art Knives with 6 Replacement Blades Ideal for DIY Crafts Scrapbooking Drawing and Detailed Paper Cutting**Gorofit**$6.29**46 rev1y ago](https://www.amazon.com/dp/B0DY7RNY9J)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![QZL Pocket Knife for Men Folding Knife with Clip with D2 Steel Blade Safety Liner Lock Sharp Knife for Outdoor Tactical Survival Camping Hunting Fishing Cool Knifes for Dad](https://m.media-amazon.com/images/I/41jb6ZMsfEL.jpg)**QZL Pocket Knife for Men Folding Knife with Clip with D2 Steel Blade Safety Liner Lock Sharp Knife for Outdoor Tactical Survival Camping Hunting Fishing Cool Knifes for Dad**QZL**$8.19**4.1★**▲ 242%**](https://www.amazon.com/dp/B083QYHSN3) [![6PCS Craft Knife Pen Retractable Utility Knife Paper Cutter Pen Art Cutting Tool Utility Precision Carving Tools for DIY Scrapbooking Drawing Sticker Stuff - 6 Colors](https://m.media-amazon.com/images/I/41eTvPgC+mL.jpg)**6PCS Craft Knife Pen Retractable Utility Knife Paper Cutter Pen Art Cutting Tool Utility Precision Carving Tools for DIY Scrapbooking Drawing Sticker Stuff - 6 Colors**Apojgitn**$4.70**3.3★**▲ 226%**](https://www.amazon.com/dp/B0GFVT3RW8) [![Multi-Functional Survival Tactical Pen 11-in-1 Includes Umbrella Rope Utility Knife Whistle & Fishing Tools Emergency Safety Kit for Hikers Campers Anglers](https://m.media-amazon.com/images/I/41ZqnNyDyJL.jpg)**Multi-Functional Survival Tactical Pen 11-in-1 Includes Umbrella Rope Utility Knife Whistle & Fishing Tools Emergency Safety Kit for Hikers Campers Anglers**Kaojoy**$10.68**4.1★**▲ 166%**](https://www.amazon.com/dp/B0GDY7WN4X) [![AMEND2 Self-Defense Pen V3 G10 Core Full-Length SDTOOL](https://m.media-amazon.com/images/I/21s47ptUcEL.jpg)**AMEND2 Self-Defense Pen V3 G10 Core Full-Length SDTOOL**AMEND2**$12.78**4.3★**▲ 122%**](https://www.amazon.com/dp/B0FQDN89LF) [![Roczipeng 4.13 All-steel Fruit Knife with Sheath Fixed Blade Flatware Knife with Cover Multipurpose Stainless Steel Dinner Knife for Home Kitchen BBQ Outdoor Cooking (Stick Shaped Sliver)](https://m.media-amazon.com/images/I/41vrTsWrTiL.jpg)**Roczipeng 4.13 All-steel Fruit Knife with Sheath Fixed Blade Flatware Knife with Cover Multipurpose Stainless Steel Dinner Knife for Home Kitchen BBQ Outdoor Cooking (Stick Shaped Sliver)**Roczipeng**$6.95**4.1★**▲ 89%**](https://www.amazon.com/dp/B0DDJRHS96)

**~~View all trending →~~**

## **What buyers say about pen knife**

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

### **What buyers love **

**Sharpness**15%

*“Blade is sharp”*

**Quality-Overall**15%

*“Great Quality Knife”*

**Ease Of Use**10%

*“Easy to carry”*

**Value For Money**10%

*“Excellent Value”*

**Advertised Vs Actual Product**9%

*“As pictured”*

**Size-Overall**5%

*“Love the size and usefulness”*

**Grip**3%

*“Solid grip”*

**Design-Overall**3%

*“Its well built”*

**Strength**2%

*“Base is sturdy”*

**Weight Light**2%

*“The knives feel lightweight”*

### **What buyers complain about **

**Size-Overall**14%

*“Too short”*

**Durability**10%

*“Broke after a month”*

**Ease Of Use**9%

*“Very difficult to close”*

**Sharpness**8%

*“doesnt stay sharp”*

**Quality-Overall**7%

*“Complete garbage”*

**Functionality-Overall**4%

*“not as functional as I thought it would be”*

**Strength**3%

*“They break easily”*

**Value For Money**3%

*“After receiving product I felt was a little over priced”*

**Grip**3%

*“hard to grip”*

**Advertised Vs Actual Product**1%

*“Not as pictured”*

### **Top return reasons **

**Size-Overall**36%

**Functionality-Overall**10%

**Advertised Vs Actual Product**9%

**Sharpness**7%

**Defective Material/Parts**5%

**Quality-Overall**4%

**Value For Money**4%

**Ease Of Use**4%

**Mechanism Issues**3%

**Strength**2%

## **Common questions**

<dl>

<dt>**Is pen knife profitable to sell on Amazon United States?**</dt><dd>The niche generates $72K/yr across 60 tracked products. 1 of 6 products launched in the last 360 days are still selling. 90-day search growth is -15.4%. Flapen's verdict: Worth a look (55/100).</dd>

<dt>**How competitive is the pen knife niche?**</dt><dd>46 brands and 112 sellers compete. The top 5 products take 33% of clicks and top 5 brands hold 41% of demand.</dd>

<dt>**What do buyers complain about in pen knife?**</dt><dd>Top complaints mined from reviews: Size-Overall, Durability, Ease Of Use. The return rate is 1.0%.</dd>

<dt>**When does demand for pen knife peak?**</dt><dd>Demand peaks in Nov–Dec; the busiest month runs 15.0× the quietest.</dd>

<dt>**What does it cost to enter the pen knife niche?**</dt><dd>Listings span $4.70–$63.47; the average listing price is $13.22 (sweet spot $15–$100). The average incumbent carries 2,253 reviews — the moat a new listing must climb.</dd>

</dl>

## **Related niches in Arts, Crafts & Sewing**

- 67 [**halloween fabric**](https://flapen.com/research/us/arts-crafts-sewing/halloween-fabric)$80K/yr+204.4%**Worth a look**- 67 [**cyanotype kit**](https://flapen.com/research/us/arts-crafts-sewing/cyanotype-kit)$505K/yr+129.8%**Worth a look**- 68 [**bracelet making kit**](https://flapen.com/research/us/arts-crafts-sewing/bracelet-making-kit)$8.1M/yr+22.4%**Launch it**- 68 [**graduation cap decorations**](https://flapen.com/research/us/arts-crafts-sewing/graduation-cap-decorations)$229K/yr+425.9%**Worth a look**- 68 [**foam cutter**](https://flapen.com/research/us/arts-crafts-sewing/foam-cutter)$2.1M/yr+3.7%**Launch it**- 68 [**window markers**](https://flapen.com/research/us/arts-crafts-sewing/window-markers)$1.3M/yr+132.8%**Launch it**[**All Arts, Crafts & Sewing niches **](https://flapen.com/research/us/arts-crafts-sewing)