---
title: "63.5 X 88mm Card Sleeves — $61K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/toys-games/63-5-x-88mm-card-sleeves"
last_updated: "2026-08-05T19:29:12.119Z"
locale: en
meta:
description: "Niche score 40/100 · $61K/yr market · 37K searches/yr · $12.70 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 40/100 · $61K/yr market · 37K searches/yr · $12.70 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "63.5 X 88mm Card Sleeves — $61K/yr Amazon US Niche (2026) - Flapen"
---
# **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.
Market size 15Growth 21Conversion 96Competition 24Returns 95Price range 66Avg price 56Brand share 0Review moat 54Quality gap 30
**Conversion**
**Incredible****13.1%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Incredible****0.9%**
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**
**Good****1,320.33**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Competition**
**Bad****71%**
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**
**Bad****100%**
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 ~~](https://flapen.com/research/methodology)
## **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**
**9**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**71%**
Top 20: 100%
**Open market**
**0%**
- 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.
1K750Spike '24Holiday '24Spike '25Prime Day '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jan, Dec · busiest ÷ quietest = 2.2×
[**Open Trend **](https://flapen.com/research/us/toys-games/63-5-x-88mm-card-sleeves/trend)
## **Top 63.5 x 88mm card sleeves search terms**
- **sleeve kings**12K/yr-3.6%5.3% conv. - **mayday card sleeves**8K/yr-12.9%7.7% conv. - **63x88 card sleeves**4K/yr+0.9%7.7% conv. - **63.5 x 88mm card sleeves**5K/yr-19.7%12.3% conv. - **mayday sleeves**2K/yr+29.9%6.7% conv. - **sleeve kings 63.5x88**2K/yr-10.7%21.0% conv. - **sleeve kings card sleeves**3K/yr-29.8%8.4% conv. [**All search terms **](https://flapen.com/research/us/toys-games/63-5-x-88mm-card-sleeves/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.
0%10%$6K20%$12K30%$18K40%$25K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
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
[1**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**$6.60**4.7★4,469 rev](https://www.amazon.com/dp/B07RD9QZD2) [2**Sleeve Kings Card Sleeves 63.5x88mm Standard Size - Clear Polypropylene 60 Micron 440 Standard Board Game Card Sleeves Board - SKS-8810X4**Sleeve Kings**$17.29**4.6★979 rev](https://www.amazon.com/dp/B08THBR5WB) [3**Sleeve Kings Card Game Card Sleeves 63.5x88mm (10x110 Pack 1100 Sleeves) Protective Covers for Trading Cards Board Games & TCG Accessories**Sleeve Kings**$38.16**4.6★979 rev](https://www.amazon.com/dp/B08TH8QJ8B) [4**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**$15.07**4.7★729 rev](https://www.amazon.com/dp/B01IYBWJBO) [5**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**$4.01**4.5★1,622 rev](https://www.amazon.com/dp/B007ZDD2Y6)
**~~View all top sellers →~~**
### **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**$8.88**365 rev1y ago](https://www.amazon.com/dp/B0DS8Q5SDS) [**600 Pack Card Sleeves Perfect Fit Inner Sleeves Ideal for Double-Sleeving Trading Card Sleeve Compatible with MTG TCG Gaming Cards**Mlikero**$10.21**2,665 rev2y ago](https://www.amazon.com/dp/B0CKV9S9GL) [**Sleeve Kings Standard Card Game Sleeves (63.5x88mm) 100 Microns Pack of 55**Sleeve Kings**$4.28**115 rev4y ago](https://www.amazon.com/dp/B09PHX626D) [**Sleeve Kings Card Sleeves 63.5x88mm Standard Size - Clear Polypropylene 60 Micron 440 Standard Board Game Card Sleeves Board - SKS-8810X4**Sleeve Kings**$17.29**979 rev5y ago](https://www.amazon.com/dp/B08THBR5WB) [**Sleeve Kings Card Game Card Sleeves 63.5x88mm (10x110 Pack 1100 Sleeves) Protective Covers for Trading Cards Board Games & TCG Accessories**Sleeve Kings**$38.16**979 rev5y ago](https://www.amazon.com/dp/B08TH8QJ8B)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Coolrunner 6 Pcs Anti-slip Elastic Shirt Sleeve Holders Metal Armbands**Coolrunner**$6.99**4.2★**▲ 345%**](https://www.amazon.com/dp/B0DZXCX1JG) [**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**$4.01**4.5★**▲ 76%**](https://www.amazon.com/dp/B007ZDD2Y6) [**Mayday Games USA Chimera Card Sleeves 100 Pack 57.5 x 89 mm Super Clear 40 Micron Polypropylene Acid-Free PVC-Free MDG-7044**Mayday Games**$4.70**4.3★**▲ 74%**](https://www.amazon.com/dp/B0035CYCH2) [**Mayday Games Premium Chimera Card Sleeves 57.5x89mm - Clear Polypropylene 90 Micron 50 Pack Board Game Card Protectors MDG-7078**Mayday Games**$5.04**4.7★**▲ 50%**](https://www.amazon.com/dp/B003Y7PY1Q) [**Sleeve Kings Standard Card Game Sleeves (63.5x88mm) 100 Microns Pack of 55**Sleeve Kings**$4.28**4.3★**▲ 28%**](https://www.amazon.com/dp/B09PHX626D)
**~~View all trending →~~**
## **What buyers say about 63.5 x 88mm card sleeves**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**32%
*“snug enough”*
**Value For Money**15%
*“Good deal”*
**Quality-Overall**11%
*“Quality sleeves, good price”*
**Advertised Vs Actual Product**10%
*“As advertised”*
**Drop/Impact Protection**7%
*“The sleeves do provide good protection”*
**Thickness**4%
*“Nice thickness and feel”*
**Soft Feel**2%
*“The shuffle is nice and smooth”*
**Durability**2%
*“Superb consistency and reliable”*
**Ease Of Use**2%
*“Easy to get the air out of”*
**Double-Sided Printing**2%
*“Great for double sleeving”*
### **What buyers complain about **
**Size-Overall**45%
*“To small”*
**Thickness**10%
*“They're also definitely a little bit thicker than regular sleeves”*
**Ease Of Use**6%
*“its incredible hard to insert”*
**Wrinkles**5%
*“It does wrinkle easy so theres no saving it if it gets squashed/damaged”*
**Grip**4%
*“I don't like that they are slippery”*
**Durability**4%
*“Break apart”*
**Compatibility-Overall**3%
*“Does not fit UFC Card”*
**Adhesion/Stickiness**3%
*“However, I cant really speak to long-term durability since the sticking and glare issues made us stop using them altogether”*
**Advertised Vs Actual Product**2%
*“Not the size advertised”*
**Color**2%
*“don't dilute the card colors the way other sleeves do”*
### **Top return reasons **
**Size-Overall**60%
**Thin**6%
**Value For Money**6%
**Quality-Overall**6%
**Advertised Vs Actual Product**5%
**Thickness**5%
**Material Quality**2%
**Defective Material/Parts**2%
**Strength**1%
**Ease Of Use**1%
## **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.
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