---
title: "Round Shader Tattoo Cartridges — $56K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/beauty-personal-care/round-shader-tattoo-cartridges"
last_updated: "2026-08-10T14:34:25.173Z"
locale: en
meta:
  description: "Niche score 51/100 · $56K/yr market · 45K searches/yr · $28.27 avg price. A small market ($56K/yr) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 51/100 · $56K/yr market · 45K searches/yr · $28.27 avg price. A small market ($56K/yr) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Round Shader Tattoo Cartridges — $56K/yr Amazon US Niche (2026) - Flapen"
---

# **round shader tattoo cartridges**

**Worth a look**

Shows low returns (0.3%), but a small market ($56K/yr) keeps it on the watch list.

Market size 14Growth 21Conversion 54Competition 86Returns 99Price range 49Avg price 95Brand share 45Review moat 66Quality gap 25

**Returns**

**Incredible****0.3%**

return rate — above 5% kills the launch gate

**Avg price**

**Incredible****$28.27**

avg listing price — sweet spot $15–$100

**Competition**

**Great****29%**

top-5 click share — an open shelf

**Review moat**

**Good****877.11**

avg incumbent reviews — the moat a new listing must climb

**Conversion**

**Good****4.5%**

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

**Price range**

**Okay****$6.22–$178.58**

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

**Brand share**

**Okay****78%**

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

**Quality gap**

**Okay****4.6★**

avg incumbent rating — lower means beatable quality

**Growth**

**Bad****-7.9%**

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

**Market size**

**Bad****$56K**

$56K/yr · 45K searches

According to Flapen's Amazon United States niche tracking, round shader tattoo cartridges is a $56K/yr Amazon United States market (45K searches/yr). The top 5 brands hold 78% of demand. Verdict: Worth a look — 51/100.

Data updated Jul 15, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **round shader tattoo cartridges market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**2K–3K**</dd><dd>avg 0–100/product</dd>

<dt>**Revenue / yr**</dt><dd>**$57K–$71K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**4.5%**</dd>

<dt>**Avg BSR**</dt><dd>**#47**</dd>

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

<dt>**Prime**</dt><dd>**98%**</dd>

<dt>**Sponsored**</dt><dd>**18%**</dd>

<dt>**Out of stock**</dt><dd>**0.9%**</dd>

<dt>**Avg brand age**</dt><dd>**36 months**</dd>

<dt>**Avg seller age**</dt><dd>**182 days**</dd>

</dl>

## **Competition & brand share**

Clicks spread well past the top 5 (29% combined) — an open shelf where new products get seen.

**Brands**

**21 **▲rising

**Sellers**

**30**

**Top-5 brand share**

**78%**

Top 20: 100%

**Top-5 click share**

**29%**

Top 20: 72%

**Open market**

**18%**

- MAST TATTOO47% - BIGWASP12% - HAWINK9% - POSEIDON5% - A-minusone5% - Filter4% - Open — no brand owns it (15 brands, 18%)

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -7.9% search growth over the last 90 days.

1K750Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.4×

[**Open Trend **](https://flapen.com/research/us/beauty-personal-care/round-shader-tattoo-cartridges/trend)

## **Top round shader tattoo cartridges search terms**

- **round shader tattoo cartridges**21K/yr-9.4%4.8% conv. - **mast pro 2 cartridge needles**11K/yr-9.4%2.8% conv. - **rs tattoo cartridges**8K/yr+1.4%5.2% conv. - **mast pro 2**4K/yr-14.5%1.4% conv. [**All search terms **](https://flapen.com/research/us/beauty-personal-care/round-shader-tattoo-cartridges/search-terms)

## **Top round shader tattoo cartridges 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%2%$1K4%$2K6%$3K8%$5K101001K10K 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![Mast Tattoo Pro2 Needles Cartridges #12 Round Shader 50 Count Mixed Round Liner Sizes 3RS 5RS 7RS 9RS 11RS Pro Needle Pins Membrane Disposable](https://m.media-amazon.com/images/I/415BozaMI9L.jpg)**Mast Tattoo Pro2 Needles Cartridges #12 Round Shader 50 Count Mixed Round Liner Sizes 3RS 5RS 7RS 9RS 11RS Pro Needle Pins Membrane Disposable**MAST TATTOO**$32.88**4.7★213 rev](https://www.amazon.com/dp/B0CNCHSH69) [2![BIGWASP 50Pcs Assorted #12 Standard RS Tattoo Needle Cartridge Round Shader](https://m.media-amazon.com/images/I/41tMiB2+wWL.jpg)**BIGWASP 50Pcs Assorted #12 Standard RS Tattoo Needle Cartridge Round Shader**BIGWASP**$23.23**4.6★3,935 rev](https://www.amazon.com/dp/B07Q46ZM6Q) [3![Poseidon 50Pcs Tattoo Cartridge Needles Assorted Mixed Size Round Liner Shader Magnum Curved/Round Mag # 12 Standard 3RL 5RL 7RL 9RL 5RS 7RS 9RS 7RM 9RM 9M1 Disposable Membrane for Tattoo Pen](https://m.media-amazon.com/images/I/51awzZuHU3L.jpg)**Poseidon 50Pcs Tattoo Cartridge Needles Assorted Mixed Size Round Liner Shader Magnum Curved/Round Mag # 12 Standard 3RL 5RL 7RL 9RL 5RS 7RS 9RS 7RM 9RM 9M1 Disposable Membrane for Tattoo Pen**POSEIDON**$21.95**4.7★2,872 rev](https://www.amazon.com/dp/B0CNXXTCM4) [4![Mast Tattoo Pro2 Tattoo Cartridge Needles #12 Bugpin 1RL Round Liner 20 Count Disposable Needles for Rotary Tattoo Machine Pen](https://m.media-amazon.com/images/I/41OIINsuu2L.jpg)**Mast Tattoo Pro2 Tattoo Cartridge Needles #12 Bugpin 1RL Round Liner 20 Count Disposable Needles for Rotary Tattoo Machine Pen**MAST TATTOO**$17.80**4.8★44 rev](https://www.amazon.com/dp/B0CN8RWW3R) [5![Mast Tattoo Pro2 Tattoo Cartridge Needles #12 Bugpin 5RL Round Liner 20 Count Disposable Needles for Rotary Tattoo Machine Pen](https://m.media-amazon.com/images/I/41T2tSOd2wL.jpg)**Mast Tattoo Pro2 Tattoo Cartridge Needles #12 Bugpin 5RL Round Liner 20 Count Disposable Needles for Rotary Tattoo Machine Pen**MAST TATTOO**$17.91**4.6★52 rev](https://www.amazon.com/dp/B0CN8KTVKC)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Filter Tattoo Cartridge Needles Assorted - 50Pcs #10 Mixed (3RS 7RS 9RS 11RS 14RS) Bugpin Round Shader Tattoo Needles Cartridges for Tattoo Gun Machine Pen - Venom](https://m.media-amazon.com/images/I/51rvrMzWgSL.jpg)**Filter Tattoo Cartridge Needles Assorted - 50Pcs #10 Mixed (3RS 7RS 9RS 11RS 14RS) Bugpin Round Shader Tattoo Needles Cartridges for Tattoo Gun Machine Pen - Venom**Filter**$19.41**28 rev1y ago](https://www.amazon.com/dp/B0DS22QNQS) [![Mast Fold2 Pro Tattoo Kit Complete Tattoo Gun Machine Kit 2 Batteries 2000mAh Power Supply for Long Time Needles Cartridges Black Tattoo Ink Kit (Full Fold2 Pro - Black)](https://m.media-amazon.com/images/I/51cRT78vMGL.jpg)**Mast Fold2 Pro Tattoo Kit Complete Tattoo Gun Machine Kit 2 Batteries 2000mAh Power Supply for Long Time Needles Cartridges Black Tattoo Ink Kit (Full Fold2 Pro - Black)**MAST TATTOO**$178.58**30 rev1y ago](https://www.amazon.com/dp/B0F9VJKYPJ) [![POSEIDON 50PCS Tattoo Cartridge Needles Assorted Mixed Size #12 Round Liner Shader Magnum - 5RL 7RL 9RL 5RS 7RS 9RS 7M1 15M1 7RM 15RM with Membrane Professional Disposable Tattoo Needles](https://m.media-amazon.com/images/I/51djzXhnR4L.jpg)**POSEIDON 50PCS Tattoo Cartridge Needles Assorted Mixed Size #12 Round Liner Shader Magnum - 5RL 7RL 9RL 5RS 7RS 9RS 7M1 15M1 7RM 15RM with Membrane Professional Disposable Tattoo Needles**Vidattx**$17.99**995 rev1y ago](https://www.amazon.com/dp/B0DR2SPBFY) [![60 Assorted Tattoo Needles Cartridge Mixed Size #10 Bugpin Round Shader 5RS 7RS 9RS and Size #12 Standard Round Shader 5RS 7RS 9RS 11RS 14RS Disposable Membrane EN05S-BFG-60KIT-S](https://m.media-amazon.com/images/I/51JP2xyL5gL.jpg)**60 Assorted Tattoo Needles Cartridge Mixed Size #10 Bugpin Round Shader 5RS 7RS 9RS and Size #12 Standard Round Shader 5RS 7RS 9RS 11RS 14RS Disposable Membrane EN05S-BFG-60KIT-S**HAWINK**$21.16**47 rev2y ago](https://www.amazon.com/dp/B0D4QLJRS7) [![Poseidon 50Pcs Tattoo Cartridge Needles Assorted Mixed Size Round Liner Shader Magnum Curved/Round Mag # 12 Standard 3RL 5RL 7RL 9RL 5RS 7RS 9RS 7RM 9RM 9M1 Disposable Membrane for Tattoo Pen](https://m.media-amazon.com/images/I/51awzZuHU3L.jpg)**Poseidon 50Pcs Tattoo Cartridge Needles Assorted Mixed Size Round Liner Shader Magnum Curved/Round Mag # 12 Standard 3RL 5RL 7RL 9RL 5RS 7RS 9RS 7RM 9RM 9M1 Disposable Membrane for Tattoo Pen**POSEIDON**$21.95**2,872 rev2y ago](https://www.amazon.com/dp/B0CNXXTCM4)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Butterfly Dignics 09C 2.1 Red](https://m.media-amazon.com/images/I/51p7KG268pL.jpg)**Butterfly Dignics 09C 2.1 Red**Butterfly**$90.35**4.6★**▲ 334%**](https://www.amazon.com/dp/B085DFH1S4) [![combofix 20G IV Catheter Piercing Needles - 6pcs Piecring Needles Catheter Hollow Needles for Ear Nose Navel Nipple Lip - Professional Quality for Piercing Tool Supplies20G](https://m.media-amazon.com/images/I/51591GSU4+L.jpg)**combofix 20G IV Catheter Piercing Needles - 6pcs Piecring Needles Catheter Hollow Needles for Ear Nose Navel Nipple Lip - Professional Quality for Piercing Tool Supplies20G**combofix**$6.22**4.6★**▲ 333%**](https://www.amazon.com/dp/B085TCBS3V) [![Mast Tattoo Pro2 Tattoo Cartridge Needles #10 Bugpin 3RL Round Liner 20 Count Disposable Needles for Rotary Tattoo Machine Pen](https://m.media-amazon.com/images/I/41bprPrwNcL.jpg)**Mast Tattoo Pro2 Tattoo Cartridge Needles #10 Bugpin 3RL Round Liner 20 Count Disposable Needles for Rotary Tattoo Machine Pen**MAST TATTOO**$17.93**4.6★**▲ 122%**](https://www.amazon.com/dp/B0CN8H3HGJ) [![Mast Tattoo Pro2 Tattoo Cartridge Needles #12 Bugpin 5RL Round Liner 20 Count Disposable Needles for Rotary Tattoo Machine Pen](https://m.media-amazon.com/images/I/41T2tSOd2wL.jpg)**Mast Tattoo Pro2 Tattoo Cartridge Needles #12 Bugpin 5RL Round Liner 20 Count Disposable Needles for Rotary Tattoo Machine Pen**MAST TATTOO**$17.91**4.6★**▲ 116%**](https://www.amazon.com/dp/B0CN8KTVKC) [![Mast Tattoo Pro2 Tattoo Cartridge Needles #12 Bugpin 7RL Round Liner 20 Count Disposable Needles for Rotary Tattoo Machine Pen](https://m.media-amazon.com/images/I/41OIINsuu2L.jpg)**Mast Tattoo Pro2 Tattoo Cartridge Needles #12 Bugpin 7RL Round Liner 20 Count Disposable Needles for Rotary Tattoo Machine Pen**MAST TATTOO**$17.90**4.5★**▲ 107%**](https://www.amazon.com/dp/B0CN8GDKKX)

**~~View all trending →~~**

## **What buyers say about round shader tattoo cartridges**

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

### **What buyers love **

**Quality-Overall**39%

*“Excellent product”*

**Value For Money**17%

*“Great value”*

**Advertised Vs Actual Product**8%

*“True to the picture”*

**Ease Of Use**6%

*“Easy to use”*

**Color**5%

*“i like the different colors”*

**Size-Overall**3%

*“Perfect fit”*

**Soft Feel**3%

*“They hit smooth”*

**Efficiency**3%

*“Good for line work”*

**Durability**2%

*“Strong and durable”*

**Design-Overall**2%

*“Build quality is solid too”*

### **What buyers complain about **

**Quality-Overall**29%

*“was really disappointed in the quality”*

**Value For Money**8%

*“it's not worth the gamble for the price”*

**Size-Overall**7%

*“they just don't fit securely”*

**Jamming/Clogging**7%

*“Clog a bir”*

**Hard Feel**3%

*“these Poseidon membranes are incredibly stiff”*

**Skin Health**3%

*“On real skin, they could easily result in poor saturation, uneven healing, blowouts, or unnecessary skin trauma”*

**Ease Of Cleaning**3%

*“It doesnt as clean lines”*

**Ease Of Use**3%

*“These carts are IMPOSSIBLE to use”*

**Functionality-Overall**3%

*“they just would not work well”*

**Product Condition**3%

*“used machine”*

### **Top return reasons **

**Size-Overall**36%

**Quality-Overall**13%

**Functionality-Overall**10%

**Advertised Vs Actual Product**8%

**Defective Material/Parts**8%

**Compatibility-Overall**3%

**Value For Money**2%

**Length**2%

**Contamination**2%

**Certifications**1%

## **Common questions**

<dl>

<dt>**Is round shader tattoo cartridges profitable to sell on Amazon United States?**</dt><dd>The niche generates $56K/yr across 57 tracked products. 2 of 6 products launched in the last 360 days are still selling. 90-day search growth is -7.9%. Flapen's verdict: Worth a look (51/100).</dd>

<dt>**How competitive is the round shader tattoo cartridges niche?**</dt><dd>21 brands and 30 sellers compete. The top 5 products take 29% of clicks and top 5 brands hold 78% of demand.</dd>

<dt>**What do buyers complain about in round shader tattoo cartridges?**</dt><dd>Top complaints mined from reviews: Quality-Overall, Value For Money, Size-Overall. The return rate is 0.3%.</dd>

<dt>**When does demand for round shader tattoo cartridges peak?**</dt><dd>Demand is steady year-round — the busiest month runs 1.4× the quietest.</dd>

<dt>**What does it cost to enter the round shader tattoo cartridges niche?**</dt><dd>Listings span $6.22–$178.58; the average listing price is $28.27 (sweet spot $15–$100). The average incumbent carries 877 reviews — the moat a new listing must climb.</dd>

</dl>

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