Is one piece card binder profitable to sell on Amazon United States?

The niche generates $71K/yr across 51 tracked products. 4 of 23 products launched in the last 360 days are still selling. 90-day search growth is -10.2%. Flapen's verdict: Skip it (48/100).

How competitive is the one piece card binder niche?

15 brands and 102 sellers compete. The top 5 products take 29% of clicks and top 5 brands hold 83% of demand.

What do buyers complain about in one piece card binder?

Top complaints mined from reviews: Size-Overall, Quality-Overall, Color. The return rate is 0.5%.

When does demand for one piece card binder peak?

Demand is steady year-round — the busiest month runs 1.3× the quietest.

What does it cost to enter the one piece card binder niche?

Listings span $7.96–$33.54; the average listing price is $18.39 (sweet spot $15–$100). The average incumbent carries 3,562 reviews — the moat a new listing must climb.

one piece card binder

Skip it

A small market ($71K/yr) — this niche doesn't clear our bar today.

Returns

Incredible0.5%

return rate — above 5% kills the launch gate

Competition

Great29%

top-5 click share — an open shelf

Avg price

Great$18.39

avg listing price — sweet spot $15–$100

Price range

Good$7.96–$33.54

cheapest to priciest tracked listing — scored on the share inside $15–$100

Brand share

Okay83%

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

Conversion

Okay2.6%

search→purchase rate — share of searches ending in a sale

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Review moat

Okay3,562.1

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-10.2%

90-day search growth — must beat 0% to launch

Market size

Bad$71K

$71K/yr · 149K searches

Signals Low Review Barrier

According to Flapen's Amazon United States niche tracking, one piece card binder is a $71K/yr Amazon United States market (149K searches/yr). The top 5 brands hold 83% of demand. Verdict: Skip it — 48/100.

Data updated Jul 30, 2026 · scored weekly · How we score niches

one piece card binder market data

Units sold / yr: 3K–4K; avg 0–100/product
Revenue / yr: $55K–$74K; units × avg price
Conversion rate: 2.6%
Avg BSR: #1,160
Page quality: 0%
Prime: 84%
Sponsored: 41%
Out of stock: 12.7%
Avg brand age: 36 months
Avg seller age: 161 days

Competition & brand share

Clicks spread well past the top 5 (29% combined) — an open shelf where new products get seen.

Brands

15 falling

Sellers

102

Top-5 brand share

83%

Top 20: 100%

Top-5 click share

29%

Top 20: 73%

Open market

14%

BANDAI54%
Volcanic Island12%
Venssu7%
Bandai Namco5%
julzsenpai4%
Black Lotus3%
Open — no brand owns it (9 brands, 14%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -10.2% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.3×

Open Trend

Top one piece card binder search terms

one piece card sleeves73K/yr -8.6%1.5% conv.
one piece sleeves38K/yr -9.5%1.2% conv.
one piece tcg sleeves29K/yr -11.7%0.9% conv.
one piece card game sleeves9K/yr -19.9%1.1% conv.

All search terms

Top one piece card binder 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★)2 products missing review or click data not plotted

All 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Venssu Wanted Poster Themed MTG Deck Box with Commander Display

Venssu$19.554.6★106 rev

60ct 67x92mm Ink Holographic Flashing Top Loading Trading Card Sleeves Deck Protector for MTG/TCG/PTCG Art Anime Printing Card Sleeves Protectors (Roronoa Zoro)

Volcanic Island$19.214.8★14 rev

Devil Fruits Card Sleeves - One Piece 70Ct (Set 10) by Bandai

BANDAI$16.275.0★1 rev

One Piece Card Game Protective Sleeves - Official Sleeve Limited Edition Vol.3 - The Straw Hats - 70ct Sleeves

BANDAI$18.995.0★7 rev

BANDAI NAMCO Entertainment One Piece Trading Card Game Assortment 4 Monkey D. Luffy Card Sleeves [70 Count]

Bandai Namco$33.544.1★16 rev

Newest

by launch date

Bandai One Piece Card Game Official Card Sleeves Vol. 15 Luffy & Ace (70 Sleeves) Japanese Import Standard Size Trading Card Sleeves for One Piece TCG Made in Japan

BANDAI$23.630 rev

1mo ago

Bandai One Piece Card Game Sleeves Vol. 14 Roronoa Zoro Official Card Sleeves (70 Count)

BANDAI$19.750 rev

3mo ago

Bandai One Piece Card Game Sleeves Eneru Enel Official Card Sleeves (70 Count)

BANDAI$23.741 rev

3mo ago

Bandai One Piece Card Game Sleeves Vol.13 Standard Purple

BANDAI$16.822 rev

7mo ago

Bandai One Piece Card Game Sleeves Vol.13 Boa Hancock

BANDAI$27.267 rev

7mo ago

What buyers say about one piece card binder

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

What buyers love

Quality-Overall25%

“These sleeves are good quality”

Size-Overall14%

“Perfect size”

Value For Money12%

“Worth it”

Color7%

“The gold color on these is gorgeous”

Advertised Vs Actual Product6%

“As described”

Collectibles6%

“For pokemon card collection”

Durability4%

“they have held up really nicely over the last four months of use”

Drop/Impact Protection2%

“Protective and Good Quality”

Strength2%

“They are sturdy”

Thickness2%

“These have good thickness”

What buyers complain about

Size-Overall24%

“Fit a little loose”

Quality-Overall16%

“Bad Quality Control”

Color4%

“wrong color though :”

Grip3%

“Way too slippery to use”

Durability3%

“They break easily”

Adhesion/Stickiness3%

“They dont stick together”

Sharpness3%

“Flimsy holders and wildly sharp edges”

Strength2%

“Flimsy plastic”

Texture/Consistency-Overall2%

“Bad texture and poor QC”

Ease Of Use2%

“hard to use”

Top return reasons

Size-Overall31%

Value For Money11%

Color10%

Thin9%

Advertised Vs Actual Product8%

Quality-Overall6%

Material Quality6%

Thickness3%

Defective Material/Parts2%

Compatibility-Overall2%

Common questions

Is one piece card binder profitable to sell on Amazon United States?: The niche generates $71K/yr across 51 tracked products. 4 of 23 products launched in the last 360 days are still selling. 90-day search growth is -10.2%. Flapen's verdict: Skip it (48/100).
How competitive is the one piece card binder niche?: 15 brands and 102 sellers compete. The top 5 products take 29% of clicks and top 5 brands hold 83% of demand.
What do buyers complain about in one piece card binder?: Top complaints mined from reviews: Size-Overall, Quality-Overall, Color. The return rate is 0.5%.
When does demand for one piece card binder peak?: Demand is steady year-round — the busiest month runs 1.3× the quietest.
What does it cost to enter the one piece card binder niche?: Listings span $7.96–$33.54; the average listing price is $18.39 (sweet spot $15–$100). The average incumbent carries 3,562 reviews — the moat a new listing must climb.