Is 63.5 x 88mm card sleeves profitable to sell on Amazon United States?

The niche generates $61K/yr across 18 tracked products. 90-day search growth is -8.1%. Flapen's verdict: Skip it (40/100).

How competitive is the 63.5 x 88mm card sleeves niche?

5 brands and 9 sellers compete. The top 5 products take 71% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in 63.5 x 88mm card sleeves?

Top complaints mined from reviews: Size-Overall, Thickness, Ease Of Use. The return rate is 0.9%.

When does demand for 63.5 x 88mm card sleeves peak?

Demand peaks in Jan–Dec; the busiest month runs 2.2× the quietest.

What does it cost to enter the 63.5 x 88mm card sleeves niche?

Listings span $3.16–$38.16; the average listing price is $12.70 (sweet spot $15–$100). The average incumbent carries 1,320 reviews — the moat a new listing must climb.

63.5 x 88mm card sleeves

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Conversion

Incredible13.1%

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

Returns

Incredible0.9%

return rate — above 5% kills the launch gate

Price range

Good$3.16–$38.16

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

Avg price

Good$12.70

avg listing price — sweet spot $15–$100

Review moat

Good1,320.33

avg incumbent reviews — the moat a new listing must climb

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Competition

Bad71%

top-5 click share — a locked-up shelf

Growth

Bad-8.1%

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

Market size

Bad$61K

$61K/yr · 37K searches

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, 63.5 x 88mm card sleeves is a $61K/yr Amazon United States market (37K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan–Dec. Verdict: Skip it — 40/100.

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

63.5 x 88mm card sleeves market data

Units sold / yr: 5K–6K; avg 250–500/product
Revenue / yr: $64K–$76K; units × avg price
Conversion rate: 13.1%
Avg BSR: #322
Page quality: 0%
Prime: 94%
Sponsored: 94%
Out of stock: 0.0%
Avg brand age: 59 months
Avg seller age: 170 days

Competition & brand share

The top 5 products capture 71% of clicks — a locked-up shelf that new listings rarely crack.

Brands

5 falling

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

71%

Top 20: 100%

Open market

Sleeve Kings56%
Mayday Games40%
Coolrunner1%
Mlikero1%
IARJI1%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -8.1% search growth over the last 90 days.

Peak months: Jan, Dec · busiest ÷ quietest = 2.2×

Open Trend

Top 63.5 x 88mm card sleeves search terms

sleeve kings12K/yr -3.6%5.3% conv.
mayday card sleeves8K/yr -12.9%7.7% conv.
63x88 card sleeves4K/yr +0.9%7.7% conv.
63.5 x 88mm card sleeves5K/yr -19.7%12.3% conv.
mayday sleeves2K/yr +29.9%6.7% conv.
sleeve kings 63.5x882K/yr -10.7%21.0% conv.
sleeve kings card sleeves3K/yr -29.8%8.4% conv.

All search terms

Top 63.5 x 88mm card sleeves 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 18 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Sleeve Kings Standard Card Sleeves 110 Count Clear 60 Micron Thickness Medium MTG Size (63.5 x 88 mm) Compatible with Magic: The Gathering & More SKU: SKS-8810

Sleeve Kings$6.604.7★4,469 rev

Sleeve Kings Card Sleeves 63.5x88mm Standard Size - Clear Polypropylene 60 Micron 440 Standard Board Game Card Sleeves Board - SKS-8810X4

Sleeve Kings$17.294.6★979 rev

Sleeve Kings Card Game Card Sleeves 63.5x88mm (10x110 Pack 1100 Sleeves) Protective Covers for Trading Cards Board Games & TCG Accessories

Sleeve Kings$38.164.6★979 rev

MayDay Games 63.5x88mm Card Sleeves Premium Bundle (4x50 Pack 200 Sleeves) 90 Micron Clear Polypropylene Acid-Free & PVC-Free Board Game Card Protection SKU MDG-7077

Mayday Games$15.074.7★729 rev

Mayday Games Standard Card Sleeves 63.5x88mm - 2 1/2 X 3 1/2 Clear Polypropylene 40 Micron 100 Standard Board Game Card Sleeves- MDG-7041

Mayday Games$4.014.5★1,622 rev

Newest

by launch date

600ct Perfect Fit Sleeves Perfect Fit Card Sleeves Inner Sleeves MTG Exact Fits Sleeve for Double-Sleeving High Clarity Trading Card Sleeve for PKM TCG Gaming Cards

IARJI$8.88365 rev

1y ago

600 Pack Card Sleeves Perfect Fit Inner Sleeves Ideal for Double-Sleeving Trading Card Sleeve Compatible with MTG TCG Gaming Cards

Mlikero$10.212,665 rev

2y ago

Sleeve Kings Standard Card Game Sleeves (63.5x88mm) 100 Microns Pack of 55

Sleeve Kings$4.28115 rev

4y ago

Sleeve Kings Card Sleeves 63.5x88mm Standard Size - Clear Polypropylene 60 Micron 440 Standard Board Game Card Sleeves Board - SKS-8810X4

Sleeve Kings$17.29979 rev

5y ago

Sleeve Kings Card Game Card Sleeves 63.5x88mm (10x110 Pack 1100 Sleeves) Protective Covers for Trading Cards Board Games & TCG Accessories

Sleeve Kings$38.16979 rev

5y ago

What buyers say about 63.5 x 88mm card sleeves

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

What buyers love

Size-Overall32%

“snug enough”

Value For Money15%

“Good deal”

Quality-Overall11%

“Quality sleeves, good price”

Advertised Vs Actual Product10%

“As advertised”

Drop/Impact Protection7%

“The sleeves do provide good protection”

Thickness4%

“Nice thickness and feel”

Soft Feel2%

“The shuffle is nice and smooth”

Durability2%

“Superb consistency and reliable”

Ease Of Use2%

“Easy to get the air out of”

Double-Sided Printing2%

“Great for double sleeving”

What buyers complain about

Size-Overall45%

“To small”

Thickness10%

“They're also definitely a little bit thicker than regular sleeves”

Ease Of Use6%

“its incredible hard to insert”

Wrinkles5%

“It does wrinkle easy so theres no saving it if it gets squashed/damaged”

Grip4%

“I don't like that they are slippery”

Durability4%

“Break apart”

Compatibility-Overall3%

“Does not fit UFC Card”

Adhesion/Stickiness3%

“However, I cant really speak to long-term durability since the sticking and glare issues made us stop using them altogether”

Advertised Vs Actual Product2%

“Not the size advertised”

Color2%

“don't dilute the card colors the way other sleeves do”

Top return reasons

Size-Overall60%

Thin6%

Value For Money6%

Quality-Overall6%

Advertised Vs Actual Product5%

Thickness5%

Material Quality2%

Defective Material/Parts2%

Strength1%

Ease Of Use1%

Common questions

Is 63.5 x 88mm card sleeves profitable to sell on Amazon United States?: The niche generates $61K/yr across 18 tracked products. 90-day search growth is -8.1%. Flapen's verdict: Skip it (40/100).
How competitive is the 63.5 x 88mm card sleeves niche?: 5 brands and 9 sellers compete. The top 5 products take 71% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in 63.5 x 88mm card sleeves?: Top complaints mined from reviews: Size-Overall, Thickness, Ease Of Use. The return rate is 0.9%.
When does demand for 63.5 x 88mm card sleeves peak?: Demand peaks in Jan–Dec; the busiest month runs 2.2× the quietest.
What does it cost to enter the 63.5 x 88mm card sleeves niche?: Listings span $3.16–$38.16; the average listing price is $12.70 (sweet spot $15–$100). The average incumbent carries 1,320 reviews — the moat a new listing must climb.