---
title: "One Piece — $1.6M/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/one-piece"
last_updated: "2026-08-11T21:33:42.296Z"
locale: en
meta:
description: "Niche score 55/100 · $1.6M/yr market · 9.2M searches/yr · $31.34 avg price. Weak search conversion (0.6%) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 55/100 · $1.6M/yr market · 9.2M searches/yr · $31.34 avg price. Weak search conversion (0.6%) keeps it on the watch list. Data updated Jul 2026."
"og:title": "One Piece — $1.6M/yr Amazon US Niche (2026) - Flapen"
---
# **one piece**
**Worth a look**
Shows a sweet-spot price point ($31.34 avg), but weak search conversion (0.6%) keeps it on the watch list.
Market size 88Growth 27Conversion 7Competition 84Returns 62Price range 26Avg price 95Brand share 73Review moat 52Quality gap 23
**Avg price**
**Incredible****$31.34**
avg listing price — sweet spot $15–$100
**Market size**
**Great****$1.6M**
$1.6M/yr · 9.2M searches
**Competition**
**Great****31%**
top-5 click share — an open shelf
**Brand share**
**Good****61%**
top-5 brand share — brands hold most of the demand
**Returns**
**Good****2.5%**
return rate — above 5% kills the launch gate
**Review moat**
**Good****1,434.55**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Okay****+2.0%**
90-day search growth — must beat 0% to launch
**Price range**
**Okay****$6.02–$328.86**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Bad****4.6★**
avg incumbent rating — lower means beatable quality
**Conversion**
**Bad****0.6%**
search→purchase rate — share of searches ending in a sale
According to Flapen's Amazon United States niche tracking, one piece is a $1.6M/yr Amazon United States market (9.2M searches/yr). The top 5 brands hold 61% of demand. Demand peaks in Nov–Dec. Verdict: Worth a look — 55/100.
Data updated Jul 21, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **one piece market data**
- **Units sold / yr**
- **80K–100K**
- avg 1,500–2,000/product
- **Revenue / yr**
- **$2.5M–$3.1M**
- units × avg price
- **Conversion rate**
- **0.6%**
- **Avg BSR**
- **#2,791**
- **Page quality**
- **0%**
- **Prime**
- **98%**
- **Sponsored**
- **82%**
- **Out of stock**
- **2.2%**
- **Avg brand age**
- **33 months**
- **Avg seller age**
- **151 days**
## **Competition & brand share**
Clicks spread well past the top 5 (31% combined) — an open shelf where new products get seen.
**Brands**
**27 **▼falling
**Sellers**
**402**
**Top-5 brand share**
**61%**
Top 20: 96%
**Top-5 click share**
**31%**
Top 20: 63%
**Open market**
**33%**
- One Piece24% - Get Trend13% - Great Eastern Entertainment9% - 99TIMORO8% - Funko7% - UZYEAOZM5%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +2.0% search growth over the last 90 days.
600K400KSpike '24Holiday '24Spike '25Prime Day '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Nov, Dec · busiest ÷ quietest = 3.6×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/one-piece/trend)
## **Top one piece search terms**
- **one piece**4.9M/yr+0.0%0.3% conv. - **one piece merch**1.2M/yr-17.7%1.1% conv. - **one piece anime**860K/yr+23.7%0.5% conv. - **one piece figure**670K/yr+2.6%0.2% conv. - **luffy**290K/yr+20.5%0.5% conv. - **one piece figures**249K/yr+5.5%0.3% conv. - **one piece toys**123K/yr+44.4%0.8% conv. - **one piece anime merch**92K/yr+55.7%0.7% conv. - **one piece gifts**140K/yr+5.3%0.7% conv. - **luffy funko pop**92K/yr-4.5%1.4% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/one-piece/search-terms)
## **Top one piece 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%3%$48K6%$97K9%$145K12%$194K1101001K10K100K 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**One Piece 5 Pack Crew Socks for Men Teens Funny Anime Breathable Socks for Work Sports Novelty Gifts for Men (8/12 UK Black)**One Piece**$24.25**4.8★247 rev](https://www.amazon.com/dp/B0DQV7YSJ8) [2**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) [3**One Piece 2 Pack Pajama Pants for Men Teens Size M-3XL Lounge Pants with Anime Print and Pockets Sleepwear Gifts for Men (3XL Black/Grey)**One Piece**$35.91**4.6★123 rev](https://www.amazon.com/dp/B0F67LMJB5) [4**99TIMORO Character Hawaiian Shirt for Men Short Sleeve Top**99TIMORO**$36.14**4.3★188 rev](https://www.amazon.com/dp/B0DDXSNP6S) [5**Get Trend One Piece Tumbler with Straw 30oz Kids Teens Insulated Cup with Lid Handle Travel Mug Cups with Lids for School Sports Anime Gifts for Kids (Black One Piece)**Get Trend**$27.44**4.8★1,172 rev](https://www.amazon.com/dp/B0FDX53GP6)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**SUUKSESS Women Sexy Underwire One Piece Swimsuit Cut Out Color Block Tummy Control Bathing Suit V Neck High Cut Swimwear (Beige Brown L)**SUUKSESS**$40.68**51 rev3mo ago](https://www.amazon.com/dp/B0GY49F9XC) [**One Piece Straw Hat Pirates Officially Licensed T-Shirt**One Piece**$18.46**89 rev4mo ago](https://www.amazon.com/dp/B0GQ524TZZ) [**One Piece 3D Night Light Straw Hat Table Desk Lamp White LED Light for Bedroom Dimmable 3 Brightness Levels USB or Battery Operated Lamp Home Room Decor Manga Anime Gifts (Multi 3D Skull)**Get Trend**$29.18**166 rev6mo ago](https://www.amazon.com/dp/B0GFPBMXS3) [**MOMODEER OP Wallet for Men Straw Hat Luffy Anime Wallet Faux Leather Slim Wallet Short Bifold Brown - Brown**MOMODEER**$12.36**98 rev6mo ago](https://www.amazon.com/dp/B0GCH3M6MZ) [**Cool Socks One Piece 6-Pack Crew Socks Anime Character Bundle Set Large Luffy Chopper Nami Zoro Sanji Usopp Premium Cotton Blend Gift for Men Women Fans**Odd Sox**$31.77**5 rev7mo ago](https://www.amazon.com/dp/B0GCB9KSR5)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Cool Socks One Piece 6-Pack Crew Socks Anime Character Bundle Set Large Luffy Chopper Nami Zoro Sanji Usopp Premium Cotton Blend Gift for Men Women Fans**Odd Sox**$31.77**5.0★**▲ 167%**](https://www.amazon.com/dp/B0GCB9KSR5) [**99TIMORO On Piece Character Hawaiian Shirt for Men Short Sleeve Top**99TIMORO**$34.87**4.3★**▲ 167%**](https://www.amazon.com/dp/B0DDXT56WN) [**99TIMORO Character Hawaiian Shirt for Men Short Sleeve Top**99TIMORO**$36.14**4.3★**▲ 165%**](https://www.amazon.com/dp/B0DDXSNP6S) [**SUUKSESS Women Sexy Underwire One Piece Swimsuit Cut Out Color Block Tummy Control Bathing Suit V Neck High Cut Swimwear (Beige Brown L)**SUUKSESS**$40.68**4.8★**▲ 165%**](https://www.amazon.com/dp/B0GY49F9XC) [**Get Trend One Piece Slippers for Boys Teens Size 2.57 Plush Slip On Mules with Non Slip Sole Indoor House Shoes Anime Gifts for Boys (4/5 US Black One Piece)**Get Trend**$20.08**4.6★**▲ 150%**](https://www.amazon.com/dp/B0DR29H8WN)
**~~View all trending →~~**
## **What buyers say about one piece**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**18%
*“Actual good quality wallet”*
**Size-Overall**11%
*“Fits like a glove”*
**Gifting Purpose**10%
*“Good gift”*
**Collectibles**7%
*“great pop for the collection”*
**Value For Money**7%
*“Value for Money”*
**Advertised Vs Actual Product**6%
*“This is exactly as pictured”*
**Fun/Entertainment Experience**5%
*“Fun set”*
**Design-Overall**4%
*“The designs are very cute”*
**Soft Feel**3%
*“Nice and soft”*
**Material Quality**2%
*“the material is thick”*
### **What buyers complain about **
**Size-Overall**16%
*“they are kind of tight”*
**Durability**12%
*“Immediately broke”*
**Quality-Overall**8%
*“Horrible quality”*
**Value For Money**7%
*“A bit pricey”*
**Color**5%
*“wrong colors”*
**Brightness/Shine/Glow**2%
*“Light does not work either”*
**Material Quality**2%
*“the material is cheap”*
**Defective Material/Parts**2%
*“Light switch broken”*
**Strength**2%
*“Very fragile”*
**Adhesion/Stickiness**2%
*“Visible glue poor quality”*
### **Top return reasons **
**Size-Overall**44%
**Chest Fit**10%
**Defective Material/Parts**7%
**Length**6%
**Value For Money**4%
**Waist Fit**3%
**Advertised Vs Actual Product**3%
**Hip Fit**2%
**Shape/Style**2%
**Functionality-Overall**2%
## **Common questions**
- **Is one piece profitable to sell on Amazon United States?**
- The niche generates $1.6M/yr across 60 tracked products. 18 of 30 products launched in the last 360 days are still selling. 90-day search growth is +2.0%. Flapen's verdict: Worth a look (55/100).
- **How competitive is the one piece niche?**
- 27 brands and 402 sellers compete. The top 5 products take 31% of clicks and top 5 brands hold 61% of demand.
- **What do buyers complain about in one piece?**
- Top complaints mined from reviews: Size-Overall, Durability, Quality-Overall. The return rate is 2.5%.
- **When does demand for one piece peak?**
- Demand peaks in Nov–Dec; the busiest month runs 3.6× the quietest.
- **What does it cost to enter the one piece niche?**
- Listings span $6.02–$328.86; the average listing price is $31.34 (sweet spot $15–$100). The average incumbent carries 1,435 reviews — the moat a new listing must climb.
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