one piece keychain
Skip itA concentrated shelf (top 5 take 96% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.6%return rate — above 5% kills the launch gate
Review moat
Great330.83avg incumbent reviews — the moat a new listing must climb
Avg price
Good$12.66avg listing price — sweet spot $15–$100
Growth
Okay+3.5%90-day search growth — must beat 0% to launch
Conversion
Bad1.9%search→purchase rate — share of searches ending in a sale
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Market size
Bad$54K$54K/yr · 224K searches
Price range
Bad$10.58–$15.47cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Bad96%top-5 brand share — brand-locked demand
Competition
Bad96%top-5 click share — a locked-up shelf
According to Flapen's Amazon United States niche tracking, one piece keychain is a $54K/yr Amazon United States market (224K searches/yr). The top 5 brands hold 96% of demand. Demand peaks in Dec. Verdict: Skip it — 29/100.
Data updated Jul 21, 2026 · scored weekly · How we score niches
one piece keychain market data
- Units sold / yr
- 5K–6K
- avg 250–500/product
- Revenue / yr
- $63K–$76K
- units × avg price
- Conversion rate
- 1.9%
- Avg BSR
- #18,428
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 67%
- Out of stock
- 0.0%
- Avg brand age
- 34 months
- Avg seller age
- 156 days
Competition & brand share
The top 5 products capture 96% of clicks — a locked-up shelf that new listings rarely crack.Brands
6 falling
Sellers
37
Top-5 brand share
96%
Top 20: 100%
Top-5 click share
96%
Top 20: 100%
Open market
0%
- Great Eastern Entertainment67%
- Funko12%
- CBKSUHBADE7%
- Finex6%
- BoxLunch5%
- Weeb Keychains4%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +3.5% search growth over the last 90 days.Peak months: Dec · busiest ÷ quietest = 2.0×
Top one piece keychain search terms
- one piece keychain143K/yr
- luffy keychain19K/yr
- one piece key chain18K/yr
- one piece charms10K/yr
- one piece keychains10K/yr
- one piece anime keychain8K/yr
- one piece funko pop keychain6K/yr
- sanji keychain5K/yr
- keychain one piece5K/yr
Top one piece keychain 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.
All 6 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Great Eastern Entertainment One Piece Luffy Zoro & Sanji Metal Keychain
Great Eastern Entertainment$12.834.7★946 rev
Funko POP! Keychain: One Piece - Monkey D. Luffy in Kimono Novelty Keyring - Luffytaro - Collectable Mini Figure - Stocking Filler - Gift Idea - Official Merchandise - Anime Fans - Backpack Decor
Funko$11.514.8★479 rev
CBKSUHBADE Devil Fruit Keychain 4pcs Set Anime One Luffy Piece Trafalgar Law Ace Zoro Zinc Alloy Keyrings Pendants Gift Set (01 4pcs Devil fruit)
CBKSUHBADE$15.474.2★48 rev
Finex 4 Pcs Set Manga Priates Keychain for Backback Daypack Automotive Car Key Tote Bag - Japanese Style Anime
Finex$14.394.7★142 rev
BoxLunch Tsunameez One Piece Blind Bag Liquid Filled Keychain Exclusive MULTI NONE
BoxLunch$10.585.0★27 rev
Newest
by launch dateBoxLunch Tsunameez One Piece Blind Bag Liquid Filled Keychain Exclusive MULTI NONE
BoxLunch$10.5827 rev
Finex 4 Pcs Set Manga Priates Keychain for Backback Daypack Automotive Car Key Tote Bag - Japanese Style Anime
Finex$14.39142 rev
CBKSUHBADE Devil Fruit Keychain 4pcs Set Anime One Luffy Piece Trafalgar Law Ace Zoro Zinc Alloy Keyrings Pendants Gift Set (01 4pcs Devil fruit)
CBKSUHBADE$15.4748 rev
Weeb Keychains One Piece Merch Cool Anime Charm with Straw Hat & WANTED Bounty Tag Gift-Boxed Zinc Alloy Key Chain Monkey D. Luffy Anime Keychain & Accessories for Men
Weeb Keychains$11.20343 rev
Funko POP! Keychain: One Piece - Monkey D. Luffy in Kimono Novelty Keyring - Luffytaro - Collectable Mini Figure - Stocking Filler - Gift Idea - Official Merchandise - Anime Fans - Backpack Decor
Funko$11.51479 rev
Trending
90-day click momentumFinex 4 Pcs Set Manga Priates Keychain for Backback Daypack Automotive Car Key Tote Bag - Japanese Style Anime
Finex$14.394.7★
Great Eastern Entertainment One Piece Luffy Zoro & Sanji Metal Keychain
Great Eastern Entertainment$12.834.7★
Funko POP! Keychain: One Piece - Monkey D. Luffy in Kimono Novelty Keyring - Luffytaro - Collectable Mini Figure - Stocking Filler - Gift Idea - Official Merchandise - Anime Fans - Backpack Decor
Funko$11.514.8★
CBKSUHBADE Devil Fruit Keychain 4pcs Set Anime One Luffy Piece Trafalgar Law Ace Zoro Zinc Alloy Keyrings Pendants Gift Set (01 4pcs Devil fruit)
CBKSUHBADE$15.474.2★
BoxLunch Tsunameez One Piece Blind Bag Liquid Filled Keychain Exclusive MULTI NONE
BoxLunch$10.585.0★
What buyers say about one piece keychain
What buyers praise and complain about, mined from review topics.What buyers love
“Very durable”
“Great quality”
“Cute keychain”
“As expected”
“the colors are bright”
“This was a great gift”
What buyers complain about
“the material is cheap”
“Too small”
“Fragile”
“not durable”
Top return reasons
Common questions
- Is one piece keychain profitable to sell on Amazon United States?
- The niche generates $54K/yr across 6 tracked products. 90-day search growth is +3.5%. Flapen's verdict: Skip it (29/100).
- How competitive is the one piece keychain niche?
- 6 brands and 37 sellers compete. The top 5 products take 96% of clicks and top 5 brands hold 96% of demand.
- What do buyers complain about in one piece keychain?
- Top complaints mined from reviews: Material Quality, Size-Overall, Strength. The return rate is 0.6%.
- When does demand for one piece keychain peak?
- Demand peaks in Dec; the busiest month runs 2.0× the quietest.
- What does it cost to enter the one piece keychain niche?
- Listings span $10.58–$15.47; the average listing price is $12.66 (sweet spot $15–$100). The average incumbent carries 331 reviews — the moat a new listing must climb.