baseball card sleeves
Worth a lookShows low returns (0.7%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Incredible0.7%return rate — above 5% kills the launch gate
Conversion
Great11.3%search→purchase rate — share of searches ending in a sale
Brand share
Great50%top-5 brand share — no brand owns this niche
Market size
Great$1.2M$1.2M/yr · 845K searches
Competition
Great36%top-5 click share — an open shelf
Price range
Good$4.03–$31.22cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Good$12.03avg listing price — sweet spot $15–$100
Review moat
Bad4,702.45avg incumbent reviews — the moat a new listing must climb
Growth
Bad-4.7%90-day search growth — must beat 0% to launch
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
According to Flapen's Amazon United States niche tracking, baseball card sleeves is a $1.2M/yr Amazon United States market (845K searches/yr). The top 5 brands hold 50% of demand. Verdict: Worth a look — 63/100.
Data updated Jul 30, 2026 · scored weekly · How we score niches
baseball card sleeves market data
- Units sold / yr
- 100K–125K
- avg 2,000–2,500/product
- Revenue / yr
- $1.2M–$1.5M
- units × avg price
- Conversion rate
- 11.3%
- Avg BSR
- #36
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 2.0%
- Avg brand age
- 35 months
- Avg seller age
- 158 days
Competition & brand share
Clicks spread well past the top 5 (36% combined) — an open shelf where new products get seen.Brands
30 rising
Sellers
114
Top-5 brand share
50%
Top 20: 94%
Top-5 click share
36%
Top 20: 82%
Open market
44%
- Sooez14%
- Arjiekwei13%
- Homthy9%
- SaiTech IT7%
- Kitoyz6%
- TRUGQ6%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -4.7% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.5×
Top baseball card sleeves search terms
- baseball card sleeves267K/yr
- card protector165K/yr
- card protector sleeves83K/yr
- plastic card sleeves54K/yr
- card protectors38K/yr
- plastic sleeves for cards35K/yr
- trading card protectors22K/yr
- football card sleeves30K/yr
- collector card sleeves13K/yr
- trading card sleeve34K/yr
Top baseball 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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
200 Card Sleeves Hard Plastic Arjiekwei 3X 4 Baseball Cards Protectors Plastic Trading Card Holder for Trading Sports Baseball Football Game Cards (100 Hard Sleeve + 100 Soft Sleeves)
Arjiekwei$15.264.6★7,090 rev

500 Counts Card Sleeves for Trading Cards Soft Penny Card Sleeves Clear Plastic Card Protectors Fit for Baseball Card Sports Cards MTG Game Card Standard Cards
Homthy$7.964.7★7,515 rev

Sooez 9 Pocket Page Protectors Trading Card Sleeves for Binder 36 Pack
Sooez$6.574.7★12,769 rev

1000 Counts Card Sleeves Top Loaders for Trading Cards Penny Soft Sleeves Baseball Card Sleeves Protectors Fit for Sports Cards Football Game Card
Kitoyz$10.104.8★4,730 rev

TRUGQ 200 Card Sleeves Toploads for Cards 3 x 4 Baseball Card Protectors Premium Standard Size Trading Hard Plastic Card Holder for Sports Football Cards(100 Hard Protectors +100 Soft Sleeves)
TRUGQ$13.014.7★1,367 rev
Newest
by launch date
65 Pack 9 Pocket Card Sleeves Binder Sheets Trading Card Sleeves for 3 Ring Binder Holds 1170 Cards Card Holder Binder Pages Protectors Fit for MTG TCG Baseball Football Game Business Cards
KKEETUR$6.73244 rev

10 Pack Social Security Card Protector Medicare New Credit Card Holder 24 Mil Soft Clear Card for Waterproof SSN Card ProtectorID/Debit/Credit Card Covers Sleeve(10)
UEHSNI$4.031,776 rev

Empsun 600 Count Clear Penny Soft Sleeves: Trading Card Sleeves Soft Protectors Fit for Standard Cards Sports Cards TCG/MTG Game Cards Baseball Cards
Empsun$8.19412 rev

TRUGQ 200 Card Sleeves Toploads for Cards 3 x 4 Baseball Card Protectors Premium Standard Size Trading Hard Plastic Card Holder for Sports Football Cards(100 Hard Protectors +100 Soft Sleeves)
TRUGQ$13.011,367 rev

1080 Pockets Card Sleeves Binder Sheets 9 Pocket Card Sleeves for 3 Ring Binder Trading Cards Sleeves Fit for Baseball Football Game Business Cards(60 Pages)
ZENOWICK$8.97760 rev
Trending
90-day click momentum
KF-Premium RFID Blocking Card (2 Pack) - 0.9mm Ultra Thin Debit & Credit Card Protector - One Card Shields Your Whole Wallet - Anti Fraud Contactless NFC Wallet Defender for Travel & Passport
KF-Premium$13.024.7★

1080 Pockets Card Sleeves Binder Sheets 9 Pocket Card Sleeves for 3 Ring Binder Trading Cards Sleeves Fit for Baseball Football Game Business Cards(60 Pages)
ZENOWICK$8.974.7★

10 Pack Social Security Card Protector Medicare New Credit Card Holder 24 Mil Soft Clear Card for Waterproof SSN Card ProtectorID/Debit/Credit Card Covers Sleeve(10)
UEHSNI$4.034.7★

65 Pack 9 Pocket Card Sleeves Binder Sheets Trading Card Sleeves for 3 Ring Binder Holds 1170 Cards Card Holder Binder Pages Protectors Fit for MTG TCG Baseball Football Game Business Cards
KKEETUR$6.734.7★

SaiTech IT 5 Pack RFID Blocking Card for Credit Debit ID Card Black
SaiTech IT$9.814.7★
What buyers say about baseball card sleeves
What buyers praise and complain about, mined from review topics.What buyers love
“Awesome quality”
“Great Deal”
“Fit well”
“Exactly as pictured”
“easy to open”
“Good protective”
“Pretty durable”
“It is sturdy”
“Great for collectors”
“Works well, thicker than expected”
What buyers complain about
“Didnt fit”
“Poor Quality Control”
“Too flimsy”
“Not as thick as thought”
“NOT AS ADVERTISED”
“Poorly glued”
“Rip easily”
“These cards do not work”
“Hard to use”
“Could be a little cheaper”
Top return reasons
Common questions
- Is baseball card sleeves profitable to sell on Amazon United States?
- The niche generates $1.2M/yr across 44 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is -4.7%. Flapen's verdict: Worth a look (63/100).
- How competitive is the baseball card sleeves niche?
- 30 brands and 114 sellers compete. The top 5 products take 36% of clicks and top 5 brands hold 50% of demand.
- What do buyers complain about in baseball card sleeves?
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Strength. The return rate is 0.7%.
- When does demand for baseball card sleeves peak?
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- What does it cost to enter the baseball card sleeves niche?
- Listings span $4.03–$31.22; the average listing price is $12.03 (sweet spot $15–$100). The average incumbent carries 4,702 reviews — the moat a new listing must climb.