Katana Cleaning Kit
Skip itA small market ($31K/yr) — this niche doesn't clear our bar today.
Returns
Incredible0.4%return rate — above 5% kills the launch gate
Conversion
Great7.7%search→purchase rate — share of searches ending in a sale
Avg price
Great$15.79avg listing price — sweet spot $15–$100
Review moat
Good706.5avg incumbent reviews — the moat a new listing must climb
Price range
Good$6.90–$25.54cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Growth
Bad-2.2%90-day search growth — must beat 0% to launch
Competition
Bad89%top-5 click share — a locked-up shelf
Brand share
Bad96%top-5 brand share — brand-locked demand
Market size
Bad$31K$31K/yr · 25K searches
Is katana cleaning kit profitable on Amazon?
According to Flapen's Amazon United States niche tracking, katana cleaning kit is a $31K/yr Amazon United States market (25K searches/yr). The top 5 brands hold 96% of demand. Demand peaks in Dec. Verdict: Skip it — 38/100.
Data updated Jul 25, 2026 · scored weekly · How we score niches
katana cleaning kit market size & sales
Units sold, revenue, conversion and listing quality across the tracked shelf.- Units sold / yr
- 2K–2K
- avg 100–250/product
- Revenue / yr
- $24K–$32K
- units × avg price
- Conversion rate
- 7.7%
- Avg BSR
- #1,373
- Page quality
- 0%
- Prime
- 75%
- Sponsored
- 75%
- Out of stock
- 22.2%
- Avg brand age
- 92 months
- Avg seller age
- 201 days
Competition: brands, sellers & click share
The top 5 products capture 89% of clicks — a locked-up shelf that new listings rarely crack.Brands
6 falling
Sellers
8
Top-5 brand share
96%
Top 20: 100%
Top-5 click share
89%
Top 20: 100%
Open market
0%
- GOOD WORKER54%
- OKSs25%
- Ace Martial Arts Supply11%
- Bonsai Outlet4%
- Munetoshi4%
- HMS4%
- Open — no brand owns it (0%)
katana cleaning kit demand & seasonality
Weekly Amazon search volume, last 104 weeks — -2.2% search growth over the last 90 days.Peak months: Dec · busiest ÷ quietest = 2.2×
Top katana cleaning kit search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.- katana cleaning kit15K/yr
- sword cleaning kit8K/yr
- katana cleaning kit and sharpening1K/yr
- sword cleaning kit for katana981/yr
- katana cleaning set92/yr
Top katana cleaning kit products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 8 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Sword Katana Knife Cleaning Kit - Maintenance Set with 2 Choji Oil - Large Microfiber - Japanese Wooden Stoarge Box - Uchiko Ball - Hammer - 4 Mekugi - Care for Samurai Katanas Swords - Storage Cases
GOOD WORKER$14.604.6★574 rev
Sword Katana Cleaning Kit Contains Choji Oil Copper Hammer Chamois Uchiko Ball 2 Pairs Peg (Mekugi) Apply to Care for Japanese Samurai Swords
OKSs$14.244.6★574 rev
Sword Katana Cleaning Kit Contains Choji Oil Copper Hammer Chamois Uchiko Ball 2 Pairs Peg (Mekugi) Apply to Care for Japanese Samurai Swords
OKSs$22.294.6★574 rev
Japanese Samurai Sword Maintenance Cleaning Kit Traditional Katana Care Set with Choji Oil Uchiko Powder Ball Rice Paper Cleaning Cloth & Mekugi Removal Hammer for Carbon Steel Blades
Ace Martial Arts Supply$15.014.5★3,060 rev
Basic Cleaning Kit with 5 pcs Cleaning Cloths and Bottle of Choji Oil - Maintenance Care Set for Katanas Swords Knives Gardening Tools Fishing Hooks Collectors - Samurai Japanese Kit KCK 02
GOOD WORKER$10.604.5★19 rev
Newest
by launch dateBasic Cleaning Kit with 5 pcs Cleaning Cloths and Bottle of Choji Oil - Maintenance Care Set for Katanas Swords Knives Gardening Tools Fishing Hooks Collectors - Samurai Japanese Kit KCK 02
GOOD WORKER$10.6019 rev
Munetoshi Japanese Samurai Katana Sword Maintenance Cleaning Kit
Munetoshi$6.9015 rev
Sword Katana Cleaning Kit Contains Choji Oil Copper Hammer Chamois Uchiko Ball 2 Pairs Peg (Mekugi) Apply to Care for Japanese Samurai Swords
OKSs$22.29574 rev
Sword Katana Cleaning Kit Contains Choji Oil Copper Hammer Chamois Uchiko Ball 2 Pairs Peg (Mekugi) Apply to Care for Japanese Samurai Swords
OKSs$14.24574 rev
Sword Katana Knife Cleaning Kit - Maintenance Set with 2 Choji Oil - Large Microfiber - Japanese Wooden Stoarge Box - Uchiko Ball - Hammer - 4 Mekugi - Care for Samurai Katanas Swords - Storage Cases
GOOD WORKER$14.60574 rev
Trending
90-day click momentum
Katana Cleaning and Maintenance Kit with Choji Oil Uchiko Ball Rice Paper and Care Tools
HMS$25.544.5★
Basic Cleaning Kit with 5 pcs Cleaning Cloths and Bottle of Choji Oil - Maintenance Care Set for Katanas Swords Knives Gardening Tools Fishing Hooks Collectors - Samurai Japanese Kit KCK 02
GOOD WORKER$10.604.5★
Japanese Samurai Sword Maintenance Cleaning Kit Traditional Katana Care Set with Choji Oil Uchiko Powder Ball Rice Paper Cleaning Cloth & Mekugi Removal Hammer for Carbon Steel Blades
Ace Martial Arts Supply$15.014.5★
Munetoshi Japanese Samurai Katana Sword Maintenance Cleaning Kit
Munetoshi$6.904.6★
Sword Katana Knife Cleaning Kit - Maintenance Set with 2 Choji Oil - Large Microfiber - Japanese Wooden Stoarge Box - Uchiko Ball - Hammer - 4 Mekugi - Care for Samurai Katanas Swords - Storage Cases
GOOD WORKER$14.604.6★
What reviews say buyers love and hate about katana cleaning kit
What buyers praise and complain about, mined from review topics.What buyers love
“All items are present as shown”
“feels well-made”
“Worked great in cleaning my katanas”
“Price is reasonable”
“It's easy to use”
“sharp along with well oiled”
“it polished out some tarnished areas without deep scratching”
“This is my go-to stuff for protecting any edged blade”
“had no leakage”
“Smells great, works great, goes on perfectly”
What buyers complain about
“Misleading”
“all of the oil was spilled out of the bottle”
“Even the box, amusingly, no longer closes the same way it shipped because the terribly thin balsa wood. not the advertised material”
“poor quality”
“Only minor complaint is that it could come in more color options”
Top return reasons
Common katana cleaning kit questions
- Is katana cleaning kit profitable to sell on Amazon United States?
- The niche generates $31K/yr across 8 tracked products. 90-day search growth is -2.2%. Flapen's verdict: Skip it (38/100).
- How competitive is the katana cleaning kit niche?
- 6 brands and 8 sellers compete. The top 5 products take 89% of clicks and top 5 brands hold 96% of demand.
- What do buyers complain about in katana cleaning kit?
- Top complaints mined from reviews: Advertised Vs Actual Product, Leak-Proof, Wood Quality. The return rate is 0.4%.
- When does demand for katana cleaning kit peak?
- Demand peaks in Dec; the busiest month runs 2.2× the quietest.
- What does it cost to enter the katana cleaning kit niche?
- Listings span $6.90–$25.54; the average listing price is $15.79 (sweet spot $15–$100). The average incumbent carries 707 reviews — the moat a new listing must climb.