---
title: "Mahjong Card Sleeve — $184K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/toys-games/mahjong-card-sleeve"
last_updated: "2026-08-06T13:13:50.197Z"
locale: en
meta:
description: "Niche score 68/100 · $184K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 68/100 · $184K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Mahjong Card Sleeve — $184K/yr Amazon US Niche (2026) - Flapen"
---
# **mahjong card sleeve**
**Worth a look**
Shows a thin review moat (64 avg reviews), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 37Growth 69Conversion 67Competition 76Returns 91Price range 39Avg price 47Brand share 86Review moat 97Quality gap 76
**Review moat**
**Incredible****64.24**
avg incumbent reviews — the moat a new listing must climb
**Returns**
**Great****1.2%**
return rate — above 5% kills the launch gate
**Brand share**
**Great****49%**
top-5 brand share — no brand owns this niche
**Competition**
**Great****39%**
top-5 click share — an open shelf
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Growth**
**Good****+49.9%**
90-day search growth — must beat 0% to launch
**Conversion**
**Good****6.0%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Okay****$11.68**
avg listing price — sweet spot $15–$100
**Price range**
**Okay****$4.96–$21.34**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Okay****$184K**
$184K/yr · 264K searches
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%") [** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500") [** Out of Stock**](https://flapen.com/research/niches?market=us&signal=out_of_stock "OOS rate > 10%")
According to Flapen's Amazon United States niche tracking, mahjong card sleeve is a $184K/yr Amazon United States market (264K searches/yr). The top 5 brands hold 49% of demand. Verdict: Worth a look — 68/100.
Data updated Jul 30, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **mahjong card sleeve market data**
- **Units sold / yr**
- **15K–20K**
- avg 250–500/product
- **Revenue / yr**
- **$175K–$234K**
- units × avg price
- **Conversion rate**
- **6.0%**
- **Avg BSR**
- **#263**
- **Page quality**
- **0%**
- **Prime**
- **87%**
- **Sponsored**
- **97%**
- **Out of stock**
- **9.8%**
- **Avg brand age**
- **8 months**
- **Avg seller age**
- **242 days**
## **Competition & brand share**
Clicks spread well past the top 5 (39% combined) — an open shelf where new products get seen.
**Brands**
**29 **▲rising
**Sellers**
**39**
**Top-5 brand share**
**49%**
Top 20: 90%
**Top-5 click share**
**39%**
Top 20: 79%
**Open market**
**45%**
- Asmeet17% - KAIBERYL13% - GRKNOA8% - SilTriangle6% - Sonwyoung6% - Taikuri5%
## **Demand**
Weekly Amazon search volume, last 37 weeks — +49.9% search growth over the last 90 days.
12K8KBlack Friday '25Spike '26Nov '25Dec '25Feb '26Mar '26May '26Jun '26
[**Open Trend **](https://flapen.com/research/us/toys-games/mahjong-card-sleeve/trend)
## **Top mahjong card sleeve search terms**
- **mahjong card holder**96K/yr+82.1%2.2% conv. - **mahjong card sleeve**90K/yr+33.1%6.3% conv. - **mahjong card cover**22K/yr+30.9%4.6% conv. - **mahjong card covers**6K/yr+54.5%4.8% conv. - **mahjong card holders**5K/yr+124.8%2.1% conv. - **mahjong card covers sleeves**6K/yr+13.5%7.5% conv. - **mahjong card sleeves**4K/yr+93.9%7.1% conv. - **mah jong card holder**5K/yr+14.4%3.3% conv. - **mahjong card protector**5K/yr+39.3%6.0% conv. - **large mahjong card sleeve**5K/yr+6.0%10.1% conv. [**All search terms **](https://flapen.com/research/us/toys-games/mahjong-card-sleeve/search-terms)
## **Top mahjong card sleeve 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%4%$7K8%$15K12%$22K16%$30K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Vegan Leather Mahjong Card Sleeve Holder Fits Most Mahjong Cards Line Readers & Shuffler Cards Gift Box Included Perfect Mah jong Gift & Accessories for Men Women (Navy Blue 8.6 * 6.3 in)**Asmeet**$18.56**5.0★40 rev](https://www.amazon.com/dp/B0GVY5BPP5) [2**Mahjong Card SleeveHolder &Cover Mahjong Accessories Fit NMJL Large Print Size Card (6 1/8 x4 3/4) -4Pack**KAIBERYL**$13.52**4.7★332 rev](https://www.amazon.com/dp/B0D62N6QW6) [3**Protective Sleeve for 2025-2026 Mah-Jong Cards - Size (6 1/8 x 4 3/4) - Large-Size Mahjong Card Protective Sleeve - 4 Pack**GRKNOA**$11.08**4.6★215 rev](https://www.amazon.com/dp/B0FRSSG8FZ) [4**Taikuri Personalized Mahjong Card Sleeves Custom Mahjong Card Holder with Name Durable Protective Cover Gift for Mahjong Lovers**Taikuri**$9.95**2.8★11 rev](https://www.amazon.com/dp/B0H2CXQ8N8) [5**Sonwyoung 4 Pack Chinoiserie Mahjong Card Holder Chinoiserie Print Mahjong Card Sleeve Large Size(6 1/8x4 3/4) Soft Printed Fabric Scorecard Protector Holder Cover Gifts(Pink and Green)**Sonwyoung**$14.45**4.3★156 rev](https://www.amazon.com/dp/B0FH4Q8BQ7)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**expgaze Mahjong Card Holder for Table Under Mat Slide in Stand Angled Viewing Rack Foldable 3D Printed Space Saving Accessory for American Mahjong Mat (02)**expgaze**$8.91**18 rev1mo ago](https://www.amazon.com/dp/B0H4LXDLF5) [**2026 Mahjong Card Holder Sleeve - 4 Pack Cover Fits 6 1/8 4 3/4 Cards**Chucai**$8.66**36 rev2mo ago](https://www.amazon.com/dp/B0GYCFPMMY) [**Xieyiwei 2026 Mahjong Card Holder Protector for NMJL Clear Plastic Sleeves 4 Pack Durable Card Cover Fits Large Size 6 1/8 x 4 3/4**Xieyiwei**$9.91**34 rev2mo ago](https://www.amazon.com/dp/B0GXMM8JYR) [**Taikuri Personalized Mahjong Card Sleeves Custom Mahjong Card Holder with Name Durable Protective Cover Gift for Mahjong Lovers**Taikuri**$9.95**11 rev2mo ago](https://www.amazon.com/dp/B0H2CXQ8N8) [**TruviaCore Mahjong Card Holder Under-Mat Slide-in Stand Angled Viewing Rack Mahjong Card Holder for Table-Space-Saving 3D-Printed Table Accessory Foldable Design for American Mahjong (Black)**TruviaCore**$21.34**9 rev2mo ago](https://www.amazon.com/dp/B0H29BC78P)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Xieyiwei 2026 Mahjong Card Holder Protector for NMJL Clear Plastic Sleeves 4 Pack Durable Card Cover Fits Large Size 6 1/8 x 4 3/4**Xieyiwei**$9.91**4.6★**▲ 84%**](https://www.amazon.com/dp/B0GXMM8JYR) [**Wetrxily Mahjong Card Sleeves 4 Pack Clear Protective Covers for Large Size American Mahjong Score Cards Fits 6 1/8 x 4 3/4 Easy to Insert and Remove Cards for Game Night and Party**Wetrxily**$9.97**5.0★**▲ 84%**](https://www.amazon.com/dp/B0H14R7VSY) [**TruviaCore Mahjong Card Holder Under-Mat Slide-in Stand Angled Viewing Rack Mahjong Card Holder for Table-Space-Saving 3D-Printed Table Accessory Foldable Design for American Mahjong (Black)**TruviaCore**$21.34**2.3★**▲ 84%**](https://www.amazon.com/dp/B0H29BC78P) [**Taikuri Personalized Mahjong Card Sleeves Custom Mahjong Card Holder with Name Durable Protective Cover Gift for Mahjong Lovers**Taikuri**$9.95**2.8★**▲ 84%**](https://www.amazon.com/dp/B0H2CXQ8N8) [**Vegan Leather Mahjong Card Sleeve Holder Fits Most Mahjong Cards Line Readers & Shuffler Cards Gift Box Included Perfect Mah jong Gift & Accessories for Men Women (Navy Blue 8.6 * 6.3 in)**Asmeet**$18.56**5.0★**▲ 84%**](https://www.amazon.com/dp/B0GVY5BPP5)
**~~View all trending →~~**
## **What buyers say about mahjong card sleeve**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**23%
*“The size is exact”*
**Quality-Overall**12%
*“Great quality and keeps cards in great condition”*
**Ease Of Use**9%
*“Easy to read”*
**Durability**7%
*“Soft durable”*
**Drop/Impact Protection**6%
*“Perfect for Protecting”*
**Advertised Vs Actual Product**5%
*“it matched my expectations perfectly”*
**Value For Money**5%
*“great value for money”*
**Material Quality**5%
*“Good quality material”*
**Ease Of Cleaning**3%
*“easy to clean”*
**Color**3%
*“Good quality and have bought multiple colors”*
### **What buyers complain about **
**Size-Overall**31%
*“Does not Fit”*
**Water Resistance**6%
*“These are not water proof because of the way the ends are open”*
**Quality-Overall**5%
*“Not a good quality”*
**Durability**5%
*“Broke pretty quickly”*
**Thickness**4%
*“are a little thinner/flimsier than I prefer”*
**Material Quality**3%
*“cheap material”*
**Value For Money**3%
*“Not worth $10”*
**Advertised Vs Actual Product**3%
*“Not as expected”*
**Strength**3%
*“Its delicate”*
**Ease Of Use**2%
*“Cannot use”*
### **Top return reasons **
**Size-Overall**54%
**Material Quality**9%
**Advertised Vs Actual Product**6%
**Quality-Overall**4%
**Value For Money**4%
**Water Resistance**3%
**Functionality-Overall**3%
**Defective Material/Parts**2%
**Color**2%
**Brightness/Shine/Glow**2%
## **Common questions**
- **Is mahjong card sleeve profitable to sell on Amazon United States?**
- The niche generates $184K/yr across 38 tracked products. 14 of 28 products launched in the last 360 days are still selling. 90-day search growth is +49.9%. Flapen's verdict: Worth a look (68/100).
- **How competitive is the mahjong card sleeve niche?**
- 29 brands and 39 sellers compete. The top 5 products take 39% of clicks and top 5 brands hold 49% of demand.
- **What do buyers complain about in mahjong card sleeve?**
- Top complaints mined from reviews: Size-Overall, Water Resistance, Quality-Overall. The return rate is 1.2%.
- **What does it cost to enter the mahjong card sleeve niche?**
- Listings span $4.96–$21.34; the average listing price is $11.68 (sweet spot $15–$100). The average incumbent carries 64 reviews — the moat a new listing must climb.
## **Related niches in Toys & Games**
- 70 [**halloween crafts**](https://flapen.com/research/us/toys-games/halloween-crafts)$317K/yr+407.7%**Worth a look**- 70 [**trading card storage box**](https://flapen.com/research/us/toys-games/trading-card-storage-box)$2.5M/yr-4.0%**Worth a look**- 70 [**camping crafts**](https://flapen.com/research/us/toys-games/camping-crafts)$32K/yr+333.8%**Worth a look**- 70 [**fathers day crafts for kids**](https://flapen.com/research/us/toys-games/fathers-day-crafts-for-kids)$72K/yr>1,000%**Worth a look**- 70 [**top loader storage**](https://flapen.com/research/us/toys-games/top-loader-storage)$1.3M/yr+5.4%**Launch it**- 70 [**kpop dolls**](https://flapen.com/research/us/toys-games/kpop-dolls)$3.4M/yr-14.9%**Worth a look**[**All Toys & Games niches **](https://flapen.com/research/us/toys-games)