One Piece
FailBuyers convert on only 0.9% of searches, so One Piece is a Fail.
- Flapen Score
- 49 / 100Top 45% of 2,461 Fashion niches · +1 vs the category median of 4849
- Market size
- £186K/yr1.2M searches / yr
- 90-day growth
- -6.4%search demand this quarter
- Competition
- 29%top-5 click share · 16 brands · 204 sellers
Flapen Score
One Piece against its category
The dotted line is the Fashion average. Past it, One Piece is stronger. Inside it, weaker.
Market
The One Piece market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for One Piece 1.2M times last year and spent an estimated £186K. The top 5 brands take 84% of clicks. Demand peaks in Nov–Dec. Flapen scores it 49 out of 100, a Fail.
01 · Demand
An estimated 0.9% of those searches ended in a purchase.
Shoppers searched for this 1.2M times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 0.9% of those searches ended in a purchase. Searches in the last 90 days moved -6.4% against the 90 days before. Searches, conversion and average price together put the market at an estimated £186K a year.
- Searches, last 12 months
- 1.2M
- Growth, 90 days vs prior 90
- -6.4%
- Conversion, latest week
- 0.9%
- Market size, estimated
- £186Ka year
- Peak month
- December2.8× the quietest month
- Top search term
- one piece1.0M searches a year
02 · Price
A sale here is worth £16.71.
Listings sell for £16.71 on average, from £4.17 to £175.41. Amazon reports units sold in ranges. This niche sold 15K to 20K a year. The average listing sells 100 to 250 of them. At £16.71 that is £2K to £4K a year per listing.
- Average price
- £16.71inside the $15 to $100 sweet spot
- Price range
- £4.17–£175.41
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 15K–20K
- Units per listing a year
- 100–250
- Revenue per listing a year
- £2K–£4K
- Returns
- 0.7%of orders · Amazon United Kingdom median 0.6%
03 · Entry bar
The bar here is low.
84% of listings pay for placement with sponsored ads. 92% ship with Prime. On an average day, 9.6% of listings are out of stock. The average listing ranks #199 within Boys. It carries 952 reviews at 4.57 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 84%
- Prime listings
- 92%
- Out of stock, average day
- 9.6%
- Average rank
- #199in Boys
- Average rating
- 4.57 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 952per listing
- Listings tracked
- 61
04 · Newcomers
7 of last year's 18 launches cleared the first-year sales bar.
18 products launched here in the last 12 months. 7 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 29 months on average, so a newcomer is not facing entrenched names.
- Launched, last 12 months
- 18
- Successful launches
- 7Amazon's first-year sales bar
- Average brand age
- 29 months
Products
Top One Piece products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 23, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
One Piece Socks for Men & Teens 5 Pack Calf Length Luffy Funny Socks Soft Breathable Work Sports Casual Anime Gifts for Men (2.5/6.5 UK Black)
- Price
- £14.42
- Rating
- 4.7/5
- Reviews
- 254
- Age
- 1y ago

One Piece Boys Pyjamas Short Sleeve Pjs For Boys Kids Pjs For Summer Black 7-8 Years
- Price
- £14.07
- Rating
- 4.2/5
- Reviews
- 48
- Age
- 1y ago

Funko Pop! Keychain: One Piece - Monkey D. Luffy Gear 5Novelty Keyring - Collectable Mini Figure - Stocking Filler - Gift Idea - Official Merchandise - Anime Fans - Backpack Decor
- Price
- £4.35
- Rating
- 4.7/5
- Reviews
- 50
- Age
- 4mo ago

One Piece Boys Pyjamas Short Sleeve Pjs For Boys Kids Pjs For Summer Black 9-10 Years
- Price
- £13.38
- Rating
- 4.2/5
- Reviews
- 48
- Age
- 1y ago

One Piece (Omnibus Edition) Vol. 1: Includes vols. 1 2 & 3: Volume 1
- Price
- £11.89
- Rating
- 4.7/5
- Reviews
- 4,623
- Age
- 16y ago
Trending
estimated 90-day click momentum
Get Trend One Piece Boys Swimming Shorts 7-14 Yrs UPF 50+ Mesh Lined Swim Shorts Elasticated Swimming Trunks Pool Beach Essentials (11-12 Years Multi One Piece)
- Price
- £10.84
- Rating
- 4.6/5
- Reviews
- 51
- Age
- 7mo ago

Get Trend One Piece Boys Pyjama Set 7-14 Yrs 2 Pack Short Pj Bottoms Crew Neck T-Shirts Soft Manga Loungewear Anime Gifts for Boys (11-12 Years Multi One Piece)
- Price
- £16.59
- Rating
- 4.5/5
- Reviews
- 46
- Age
- 9mo ago

Funko Pop! Keychain: One Piece - Monkey D. Luffy Gear 5Novelty Keyring - Collectable Mini Figure - Stocking Filler - Gift Idea - Official Merchandise - Anime Fans - Backpack Decor
- Price
- £4.35
- Rating
- 4.7/5
- Reviews
- 50
- Age
- 4mo ago

Get Trend One Piece Boys Boxer Shorts 7-15 Yrs 5 Pack Soft & Stretchy Underwear Elasticated & Breathable Anime Manga Boys Pants (9-10 Years Multi One Piece)
- Price
- £13.76
- Rating
- 4.7/5
- Reviews
- 105
- Age
- 1y ago

Get Trend One Piece Boys Boxer Shorts 7-15 Yrs 5 Pack Soft & Stretchy Underwear Elasticated & Breathable Anime Manga Boys Pants (11-12 Years Multi One Piece)
- Price
- £13.66
- Rating
- 4.7/5
- Reviews
- 105
- Age
- 1y ago
Newest
by launch date
Funko Pop! Keychain: One Piece - Monkey D. Luffy Gear 5Novelty Keyring - Collectable Mini Figure - Stocking Filler - Gift Idea - Official Merchandise - Anime Fans - Backpack Decor
- Price
- £4.35
- Rating
- 4.7/5
- Reviews
- 50
- Age
- 4mo ago

Funko Mystery Mini: One Piece - Straw Hat Crew - Monkey D. Luffy Roronoa Nami and more - 1 of 12 to collect - Styles may vary - Collectable Vinyl Figure - Gift Idea - Official Merchandise
- Price
- £5.41
- Rating
- 4.6/5
- Reviews
- 64
- Age
- 5mo ago

One Piece 3D Night Light Straw Hat Table Lamp with 3 Brightness Levels White Coloured & Dual Powered LED Light for Bedroom & Desks Manga Living Room & Bedroom Decor Anime Gifts (Multi 3D Skull)
- Price
- £14.30
- Rating
- 4.2/5
- Reviews
- 176
- Age
- 6mo ago

Get Trend One Piece Boys Swimming Shorts 7-14 Yrs UPF 50+ Mesh Lined Swim Shorts Elasticated Swimming Trunks Pool Beach Essentials (11-12 Years Multi One Piece)
- Price
- £10.84
- Rating
- 4.6/5
- Reviews
- 51
- Age
- 7mo ago

Get Trend One Piece Boys Pyjama Set 7-14 Yrs 2 Pack Short Pj Bottoms Crew Neck T-Shirts Soft Manga Loungewear Anime Gifts for Boys (7-8 Years Multi One Piece)
- Price
- £15.13
- Rating
- 4.5/5
- Reviews
- 46
- Age
- 9mo ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 29% of clicks, no more. An open shelf where new products get seen.
Brands
16 falling
Sellers
204
Est. top-5 brand share
84%
Top 20: 100%
Est. top-5 click share
29%
Top 20: 66%
Open market
12%
- One Piece37%
- Get Trend21%
- Funko15%
- Simon & Schuster6%
- LEGO5%
- Paladone4%
- Open — no brand owns it (10 brands, 12%)
Demand
One Piece search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Nov, Dec · busiest ÷ quietest = 2.8×
Search terms
Top One Piece search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- one piece1.0M/yr
- one piece merch53K/yr
- one piece anime29K/yr
- one piece gifts29K/yr
- one piece merchandise21K/yr
- one peice15K/yr
- one piece accessories8K/yr
- one piec9K/yr
- one piece gift8K/yr
- onepiece8K/yr
Reviews and returns
What reviews say buyers love and hate about One Piece
We read the reviews and the return reasons for every product selling here.
“Nice cup, terrible quality”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
19 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common One Piece questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









