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title: "sumi ink — Niche Verdict: Skip it (40/100) | Amazon United States - Flapen"
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  description: "a small market ($56K/yr) — sumi ink doesn't clear our bar today."
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# **sumi ink**

**Skip it**

A small market ($56K/yr) — this niche doesn't clear our bar today.

Market size 14Growth 19Conversion 72Competition 42Returns 90Price range 26Avg price 38Brand share 32Review moat 81Quality gap 24

**Returns**

**Great****1.2%**

return rate — above 6% kills the launch gate

**Review moat**

**Great****380.44**

avg incumbent reviews — the moat a new listing must climb

**Conversion**

**Good****6.6%**

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

**Competition**

**Okay****60%**

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

**Avg price**

**Okay****$10.56**

avg listing price — sweet spot $15–$100

**Brand share**

**Okay****86%**

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

**Price range**

**Okay****$5.94–$18.22**

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

**Quality gap**

**Bad****4.6★**

avg incumbent rating — lower means beatable quality

**Growth**

**Bad****-12.4%**

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

**Market size**

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

$56K/yr · 80K searches

## **Competition**

The top 5 products take 60% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**11 **▼falling

**Sellers**

**70**

**Top-5 brand share**

**86%**

**Open market**

**11%**

- Yasutomo27% - 開明25% - SEAMEW16% - Flmouce11% - I-MART7% - Zig3% - Open — no brand owns it (5 brands, 11%)

## **Product shelf**

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%10%$6K20%$11K30%$17K40%$22K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

All 16 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Moon Palace Sumi Ink 180ml](https://m.media-amazon.com/images/I/31h444Y9nKL.jpg)**Moon Palace Sumi Ink 180ml**開明**$7.33**4.8★916 rev](https://www.amazon.com/dp/B001C70A8W) [2![Flmouce 250ml Black Sumi Ink Chinese Brush Calligraphy Ink (8.45oz)](https://m.media-amazon.com/images/I/41E4mtsRooL.jpg)**Flmouce 250ml Black Sumi Ink Chinese Brush Calligraphy Ink (8.45oz)**Flmouce**$11.25**4.4★154 rev](https://www.amazon.com/dp/B0D4582LZ8) [3![Yasutomo Bokuju Liquid Ink - 12oz Sumi Ink for Calligraphy and Artwork - Black Drawing Ink for use with Japanese Ink Brushes and Dip Pens](https://m.media-amazon.com/images/I/31GAficHlJL.jpg)**Yasutomo Bokuju Liquid Ink - 12oz Sumi Ink for Calligraphy and Artwork - Black Drawing Ink for use with Japanese Ink Brushes and Dip Pens**Yasutomo**$18.22**4.6★183 rev](https://www.amazon.com/dp/B0044SA4JG) [4![Yasutomo Liquid Sumi Ink 2oz Black (KF2)](https://m.media-amazon.com/images/I/41Iu3RoJgxL.jpg)**Yasutomo Liquid Sumi Ink 2oz Black (KF2)**Yasutomo**$7.94**4.8★318 rev](https://www.amazon.com/dp/B000AMLR8M) [5![SEAMEW 250 ML/8.8 OZ Calligraphy and Sumi Liquid Ink - Versatile Elegance for Chinese Traditional Art Works and Japanese Brush Art](https://m.media-amazon.com/images/I/41x1EZv3P3L.jpg)**SEAMEW 250 ML/8.8 OZ Calligraphy and Sumi Liquid Ink - Versatile Elegance for Chinese Traditional Art Works and Japanese Brush Art**SEAMEW**$11.16**4.4★163 rev](https://www.amazon.com/dp/B0CXDBD77N)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![I-MART Sumi Ink for Chinese Calligraphy & Japanese Brush Art Calligraphy Ink for Traditional Artworks India Ink Black for Painting & Writing (3.5 fl oz/100 ml Black)](https://m.media-amazon.com/images/I/41NmbXbQSNL.jpg)**I-MART Sumi Ink for Chinese Calligraphy & Japanese Brush Art Calligraphy Ink for Traditional Artworks India Ink Black for Painting & Writing (3.5 fl oz/100 ml Black)**I-MART**$5.94**56 rev1y ago](https://www.amazon.com/dp/B0DMZBW3NG) [![Qi Ming Wen Fang Calligraphy and Sumi Liquid Ink Traditional Black Sumi Ink for Chinese Calligraphy Painting and Japanese Brush Art Light Glue (3.5oz/ 100ml)](https://m.media-amazon.com/images/I/41DAzAcSx6L.jpg)**Qi Ming Wen Fang Calligraphy and Sumi Liquid Ink Traditional Black Sumi Ink for Chinese Calligraphy Painting and Japanese Brush Art Light Glue (3.5oz/ 100ml)**Qi Ming Wen Fang**$7.69**101 rev1y ago](https://www.amazon.com/dp/B0DLTF8CMN) [![Flmouce Sumi Ink Chinese Calligraphy Ink Liquid Black Carbon Ink Manga Ink (500ml (17oz) Black)](https://m.media-amazon.com/images/I/51nYaNVl2RL.jpg)**Flmouce Sumi Ink Chinese Calligraphy Ink Liquid Black Carbon Ink Manga Ink (500ml (17oz) Black)**Flmouce**$14.17**154 rev2y ago](https://www.amazon.com/dp/B0D726XJFX) [![Flmouce 250ml Black Sumi Ink Chinese Brush Calligraphy Ink (8.45oz)](https://m.media-amazon.com/images/I/41E4mtsRooL.jpg)**Flmouce 250ml Black Sumi Ink Chinese Brush Calligraphy Ink (8.45oz)**Flmouce**$11.25**154 rev2y ago](https://www.amazon.com/dp/B0D4582LZ8) [![SEAMEW 250 ML/8.8 OZ Calligraphy and Sumi Liquid Ink - Versatile Elegance for Chinese Traditional Art Works and Japanese Brush Art](https://m.media-amazon.com/images/I/41x1EZv3P3L.jpg)**SEAMEW 250 ML/8.8 OZ Calligraphy and Sumi Liquid Ink - Versatile Elegance for Chinese Traditional Art Works and Japanese Brush Art**SEAMEW**$11.16**163 rev2y ago](https://www.amazon.com/dp/B0CXDBD77N)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![SEAMEW 250 ML/8.8 OZ Calligraphy and Sumi Liquid Ink - Versatile Elegance for Chinese Traditional Art Works and Japanese Brush Art](https://m.media-amazon.com/images/I/41x1EZv3P3L.jpg)**SEAMEW 250 ML/8.8 OZ Calligraphy and Sumi Liquid Ink - Versatile Elegance for Chinese Traditional Art Works and Japanese Brush Art**SEAMEW**$11.16**4.4★**▲ 87%**](https://www.amazon.com/dp/B0CXDBD77N) [![Yasutomo Bokuju Liquid Ink - 12oz Sumi Ink for Calligraphy and Artwork - Black Drawing Ink for use with Japanese Ink Brushes and Dip Pens](https://m.media-amazon.com/images/I/31GAficHlJL.jpg)**Yasutomo Bokuju Liquid Ink - 12oz Sumi Ink for Calligraphy and Artwork - Black Drawing Ink for use with Japanese Ink Brushes and Dip Pens**Yasutomo**$18.22**4.6★**▲ 17%**](https://www.amazon.com/dp/B0044SA4JG) [![Flmouce Sumi Ink Chinese Calligraphy Ink Liquid Black Carbon Ink Manga Ink (500ml (17oz) Black)](https://m.media-amazon.com/images/I/51nYaNVl2RL.jpg)**Flmouce Sumi Ink Chinese Calligraphy Ink Liquid Black Carbon Ink Manga Ink (500ml (17oz) Black)**Flmouce**$14.17**4.4★**— 9%**](https://www.amazon.com/dp/B0D726XJFX) [![Moon Palace Sumi Ink 180ml](https://m.media-amazon.com/images/I/31h444Y9nKL.jpg)**Moon Palace Sumi Ink 180ml**開明**$7.33**4.8★**— 8%**](https://www.amazon.com/dp/B001C70A8W) [![Flmouce 250ml Black Sumi Ink Chinese Brush Calligraphy Ink (8.45oz)](https://m.media-amazon.com/images/I/41E4mtsRooL.jpg)**Flmouce 250ml Black Sumi Ink Chinese Brush Calligraphy Ink (8.45oz)**Flmouce**$11.25**4.4★**— 7%**](https://www.amazon.com/dp/B0D4582LZ8)

**~~View all trending →~~**

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -12.4% search growth over the last 90 days.

2K2KSpike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.4×

## **Reviews**

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

### **What buyers love **

**Quality-Overall**21%

*“Quality is good”*

**Color**15%

*“I also love the traditional colors, absolutely beautiful”*

**Value For Money**13%

*“Good value”*

**Cartridge/Ink Quality**12%

*“Good ink and black enough”*

**Smell**10%

*“I dont mind the earthy smell”*

**Quick Drying**6%

*“dries quickly”*

**Writing Experience**4%

*“good for caligraphy”*

**Texture/Consistency-Overall**4%

*“Great Flow Texture”*

**Advertised Vs Actual Product**4%

*“Exactly as described”*

**Ink Refill**3%

*“Good liquid ink”*

### **What buyers complain about **

**Water Resistance**33%

*“It is not water-resistant”*

**Quality-Overall**25%

*“Poor quality control”*

**Smell**25%

*“it has a peculiar smell”*

**Moist/Dry**8%

*“let is dry”*

**Advertised Vs Actual Product**8%

*“The description says that once dried it is insoluble in water. THIS ISN’T true.”*

### **Top return reasons **

**Value For Money**19%

**Quality-Overall**15%

**Ink Refill**13%

**Smell**13%

**Advertised Vs Actual Product**9%

**Defective Material/Parts**4%

**Size-Overall**4%

**Color**4%

**Functionality-Overall**4%

**Ink Leakage**3%