---
title: "One Piece Keychain — $54K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/one-piece-keychain"
last_updated: "2026-08-11T21:34:10.905Z"
locale: en
meta:
description: "Niche score 29/100 · $54K/yr market · 224K searches/yr · $12.66 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 29/100 · $54K/yr market · 224K searches/yr · $12.66 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "One Piece Keychain — $54K/yr Amazon US Niche (2026) - Flapen"
---
# **one piece keychain**
**Skip it**
A concentrated shelf (top 5 take 96% of clicks) — this niche doesn't clear our bar today.
Market size 14Growth 29Conversion 24Competition 3Returns 97Price range 10Avg price 56Brand share 9Review moat 83Quality gap 19
**Returns**
**Incredible****0.6%**
return rate — above 5% kills the launch gate
**Review moat**
**Great****330.83**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Good****$12.66**
avg listing price — sweet spot $15–$100
**Growth**
**Okay****+3.5%**
90-day search growth — must beat 0% to launch
**Conversion**
**Bad****1.9%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Market size**
**Bad****$54K**
$54K/yr · 224K searches
**Price range**
**Bad****$10.58–$15.47**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Bad****96%**
top-5 brand share — brand-locked demand
**Competition**
**Bad****96%**
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 ~~](https://flapen.com/research/methodology)
## **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.
8K6KHoliday '24Spike '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Dec · busiest ÷ quietest = 2.0×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/one-piece-keychain/trend)
## **Top one piece keychain search terms**
- **one piece keychain**143K/yr+2.2%0.5% conv. - **luffy keychain**19K/yr+7.6%0.1% conv. - **one piece key chain**18K/yr-6.1%0.6% conv. - **one piece charms**10K/yr+12.8%0.1% conv. - **one piece keychains**10K/yr+25.1%0.5% conv. - **one piece anime keychain**8K/yr+0.7%0.4% conv. - **one piece funko pop keychain**6K/yr+14.1%0.0% conv. - **sanji keychain**5K/yr-7.1%0.2% conv. - **keychain one piece**5K/yr+1.3%0.3% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/one-piece-keychain/search-terms)
## **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.
0%20%$11K40%$22K60%$32K80%$43K101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 6 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Great Eastern Entertainment One Piece Luffy Zoro & Sanji Metal Keychain**Great Eastern Entertainment**$12.83**4.7★946 rev](https://www.amazon.com/dp/B00CM3NBC2) [2**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**$11.51**4.8★479 rev](https://www.amazon.com/dp/B09YTB1YV2) [3**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**$15.47**4.2★48 rev](https://www.amazon.com/dp/B0FH1PWRZB) [4**Finex 4 Pcs Set Manga Priates Keychain for Backback Daypack Automotive Car Key Tote Bag - Japanese Style Anime**Finex**$14.39**4.7★142 rev](https://www.amazon.com/dp/B0CPKT525C) [5**BoxLunch Tsunameez One Piece Blind Bag Liquid Filled Keychain Exclusive MULTI NONE**BoxLunch**$10.58**5.0★27 rev](https://www.amazon.com/dp/B0FBKS1FGN)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**BoxLunch Tsunameez One Piece Blind Bag Liquid Filled Keychain Exclusive MULTI NONE**BoxLunch**$10.58**27 rev1y ago](https://www.amazon.com/dp/B0FBKS1FGN) [**Finex 4 Pcs Set Manga Priates Keychain for Backback Daypack Automotive Car Key Tote Bag - Japanese Style Anime**Finex**$14.39**142 rev2y ago](https://www.amazon.com/dp/B0CPKT525C) [**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**$15.47**48 rev2y ago](https://www.amazon.com/dp/B0FH1PWRZB) [**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**$11.20**343 rev3y ago](https://www.amazon.com/dp/B0BZW3HRRJ) [**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**$11.51**479 rev3y ago](https://www.amazon.com/dp/B09YTB1YV2)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Finex 4 Pcs Set Manga Priates Keychain for Backback Daypack Automotive Car Key Tote Bag - Japanese Style Anime**Finex**$14.39**4.7★**▲ 13%**](https://www.amazon.com/dp/B0CPKT525C) [**Great Eastern Entertainment One Piece Luffy Zoro & Sanji Metal Keychain**Great Eastern Entertainment**$12.83**4.7★**▲ 11%**](https://www.amazon.com/dp/B00CM3NBC2) [**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**$11.51**4.8★**— 1%**](https://www.amazon.com/dp/B09YTB1YV2) [**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**$15.47**4.2★**▼ 28%**](https://www.amazon.com/dp/B0FH1PWRZB) [**BoxLunch Tsunameez One Piece Blind Bag Liquid Filled Keychain Exclusive MULTI NONE**BoxLunch**$10.58**5.0★**▼ 35%**](https://www.amazon.com/dp/B0FBKS1FGN)
**~~View all trending →~~**
## **What buyers say about one piece keychain**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Durability**33%
*“Very durable”*
**Quality-Overall**29%
*“Great quality”*
**Chain/Key Quality**21%
*“Cute keychain”*
**Advertised Vs Actual Product**7%
*“As expected”*
**Color**5%
*“the colors are bright”*
**Gifting Purpose**5%
*“This was a great gift”*
### **What buyers complain about **
**Material Quality**33%
*“the material is cheap”*
**Size-Overall**33%
*“Too small”*
**Strength**17%
*“Fragile”*
**Durability**17%
*“not durable”*
### **Top return reasons **
**Advertised Vs Actual Product**22%
**Durability**17%
**Size-Overall**17%
**Defective Material/Parts**17%
**Chain/Key Quality**11%
**Color**6%
**Leak-Proof**6%
**Value For Money**6%
## **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.
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