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.

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.

Avg price

Incredible$31.34

avg listing price — sweet spot $15–$100

Market size

Great$1.6M

$1.6M/yr · 9.2M searches

Competition

Great31%

top-5 click share — an open shelf

Brand share

Good61%

top-5 brand share — brands hold most of the demand

Returns

Good2.5%

return rate — above 5% kills the launch gate

Review moat

Good1,434.55

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

Bad4.6★

avg incumbent rating — lower means beatable quality

Conversion

Bad0.6%

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

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.

Peak months: Nov, Dec · busiest ÷ quietest = 3.6×

Open Trend

Top one piece search terms

one piece4.9M/yr +0.0%0.3% conv.
one piece merch1.2M/yr -17.7%1.1% conv.
one piece anime860K/yr +23.7%0.5% conv.
one piece figure670K/yr +2.6%0.2% conv.
luffy290K/yr +20.5%0.5% conv.
one piece figures249K/yr +5.5%0.3% conv.
one piece toys123K/yr +44.4%0.8% conv.
one piece anime merch92K/yr +55.7%0.7% conv.
one piece gifts140K/yr +5.3%0.7% conv.
luffy funko pop92K/yr -4.5%1.4% conv.

All 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.

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

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$24.254.8★247 rev

Great Eastern Entertainment One Piece Luffy Zoro & Sanji Metal Keychain

Great Eastern Entertainment$12.834.7★946 rev

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$35.914.6★123 rev

99TIMORO Character Hawaiian Shirt for Men Short Sleeve Top

99TIMORO$36.144.3★188 rev

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$27.444.8★1,172 rev

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$40.6851 rev

3mo ago

One Piece Straw Hat Pirates Officially Licensed T-Shirt

One Piece$18.4689 rev

4mo ago

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$29.18166 rev

6mo ago

MOMODEER OP Wallet for Men Straw Hat Luffy Anime Wallet Faux Leather Slim Wallet Short Bifold Brown - Brown

MOMODEER$12.3698 rev

6mo ago

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$31.775 rev

7mo ago

What buyers say about one piece

What buyers praise and complain about, mined from review topics.

What buyers love

Quality-Overall18%

“Actual good quality wallet”

Size-Overall11%

“Fits like a glove”

Gifting Purpose10%

“Good gift”

Collectibles7%

“great pop for the collection”

Value For Money7%

“Value for Money”

Advertised Vs Actual Product6%

“This is exactly as pictured”

Fun/Entertainment Experience5%

“Fun set”

Design-Overall4%

“The designs are very cute”

Soft Feel3%

“Nice and soft”

Material Quality2%

“the material is thick”

What buyers complain about

Size-Overall16%

“they are kind of tight”

Durability12%

“Immediately broke”

Quality-Overall8%

“Horrible quality”

Value For Money7%

“A bit pricey”

Color5%

“wrong colors”

Brightness/Shine/Glow2%

“Light does not work either”

Material Quality2%

“the material is cheap”

Defective Material/Parts2%

“Light switch broken”

Strength2%

“Very fragile”

Adhesion/Stickiness2%

“Visible glue poor quality”

Top return reasons

Size-Overall44%

Chest Fit10%

Defective Material/Parts7%

Length6%

Value For Money4%

Waist Fit3%

Advertised Vs Actual Product3%

Hip Fit2%

Shape/Style2%

Functionality-Overall2%

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.