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Card Sleeves

Card Sleeves clears our launch bar: a $7.4M/yr market growing +4.1% this quarter with returns at 0.5%.

Flapen Score

63
Launch it

Top 4% of 3,143 Toys & Games niches · +17 vs the category median of 46

Market size 100Growth 30Conversion 88Competition 68Returns 97Price range 49Avg price 43Brand share 75Review moat 24Quality gap 20
This niche Category average · 3,143 niches

Is Card Sleeves profitable on Amazon?

According to Flapen's Amazon United States niche tracking, Card Sleeves is a $7.4M/yr Amazon United States market (6.5M searches/yr). The top 5 brands hold 60% of demand. Demand peaks in Jun–Jul. Verdict: Launch it — 63/100.

Card Sleeves: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Yes. Search demand moved +4.1% over the last 90 days and 10.2% of searches end in a purchase.

$7.4M

revenue / yr

Units sold / yr800K
Search volume / yr+4.1%6.5M
Conversion rate10.2%
Avg price$11.18

Who owns the niche?

The top 5 brands hold 60% of demand, so 40% of the market is open.

40%

open market share

Brands · sellers22 · 168
Top-5 product click share44%
Open market40%
Avg brand age35 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.7★ — the gap to enter on.

0/100

page quality · 37 products

Sponsored placement92%
New entrants (1y)1· 1 succeeded
Avg rating4.7★
Avg reviews6,123

Top Card Sleeves products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

The top 5 products take 44% of clicks — established leaders, but buyers still shop beyond them.

$0$297K$593K$890K$1.2M101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

22 flat

Sellers

168

Top-5 brand share

60%

Top 20: 98%

Top-5 click share

44%

Top 20: 83%

Open market

34%

  • Kitoyz15%
  • Ultra Pro15%
  • Homthy12%
  • Arjiekwei10%
  • Mlikero7%
  • COLQU6%

Card Sleeves demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume6.5MCVR10.2%Products37Brands22Top 5 Brands60%OOS Rate0.0%Rating4.7★Reviews6,123Avg BSR#42
175K125KHoliday '24Spike '25Prime Day '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jun, Jul · busiest ÷ quietest = 1.9×

Top Card Sleeves search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.

  • card sleeves1.8M/yr
  • penny sleeves947K/yr
  • mtg sleeves588K/yr
  • pokemon card sleeves559K/yr
  • mtg card sleeves579K/yr
  • trading card sleeves318K/yr
  • penny sleeves for trading cards288K/yr
  • pokemon sleeves242K/yr
  • baseball card sleeves267K/yr
  • penny sleeves for pokemon cards110K/yr

What reviews say buyers love and hate about Card Sleeves

What buyers mention most, as a share of all reviews.

What buyers love

86% of reviews
Quality-Overall29%

Amazing quality

Value For Money18%

Great Deal

Advertised Vs Actual Product12%

Exactly as pictured

Size-Overall11%

Fits well

Ease Of Use3%

easy to open

What buyers complain about

68% of reviews
Quality-Overall15%

Bad Quality

Size-Overall15%

Doesnt fit

Advertised Vs Actual Product9%

Wrong description

Strength7%

Very flimsy

Thickness5%

Not as thick as thought

Card Sleeves return rate & reasons

Why buyers send it back, as a share of all return requests.

0.5%

Return rate

52%

Fixable by listing

The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.

1Size-Overall
31%
2Advertised Vs Actual Product
10%
3Value For Money
10%
4Thin
9%
5Quality-Overall
8%

Common Card Sleeves questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores Card Sleeves 63/100 on Amazon United States — Launch it. The niche generates $7.4M/yr across 37 tracked products. 1 of 1 products launched in the last 360 days are still selling. Search demand moved +4.1% over the last 90 days.
Search demand for Card Sleeves on Amazon United States peaks in Jun–Jul, where the busiest month runs 1.9× the quietest.