mahjong card sleeve
Worth a lookShows a thin review moat (64 avg reviews), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Review moat
Incredible64.24avg incumbent reviews — the moat a new listing must climb
Returns
Great1.2%return rate — above 5% kills the launch gate
Brand share
Great49%top-5 brand share — no brand owns this niche
Competition
Great39%top-5 click share — an open shelf
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Growth
Good+49.9%90-day search growth — must beat 0% to launch
Conversion
Good6.0%search→purchase rate — share of searches ending in a sale
Avg price
Okay$11.68avg listing price — sweet spot $15–$100
Price range
Okay$4.96–$21.34cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Okay$184K$184K/yr · 264K searches
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
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.Top mahjong card sleeve search terms
- mahjong card holder96K/yr
- mahjong card sleeve90K/yr
- mahjong card cover22K/yr
- mahjong card covers6K/yr
- mahjong card holders5K/yr
- mahjong card covers sleeves6K/yr
- mahjong card sleeves4K/yr
- mah jong card holder5K/yr
- mahjong card protector5K/yr
- large mahjong card sleeve5K/yr
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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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$18.565.0★40 rev
Mahjong Card SleeveHolder &Cover Mahjong Accessories Fit NMJL Large Print Size Card (6 1/8 x4 3/4) -4Pack
KAIBERYL$13.524.7★332 rev
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$11.084.6★215 rev
Taikuri Personalized Mahjong Card Sleeves Custom Mahjong Card Holder with Name Durable Protective Cover Gift for Mahjong Lovers
Taikuri$9.952.8★11 rev
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$14.454.3★156 rev
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$8.9118 rev
2026 Mahjong Card Holder Sleeve - 4 Pack Cover Fits 6 1/8 4 3/4 Cards
Chucai$8.6636 rev
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$9.9134 rev
Taikuri Personalized Mahjong Card Sleeves Custom Mahjong Card Holder with Name Durable Protective Cover Gift for Mahjong Lovers
Taikuri$9.9511 rev
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$21.349 rev
Trending
90-day click momentumXieyiwei 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$9.914.6★
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$9.975.0★
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$21.342.3★
Taikuri Personalized Mahjong Card Sleeves Custom Mahjong Card Holder with Name Durable Protective Cover Gift for Mahjong Lovers
Taikuri$9.952.8★
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$18.565.0★
What buyers say about mahjong card sleeve
What buyers praise and complain about, mined from review topics.What buyers love
“The size is exact”
“Great quality and keeps cards in great condition”
“Easy to read”
“Soft durable”
“Perfect for Protecting”
“it matched my expectations perfectly”
“great value for money”
“Good quality material”
“easy to clean”
“Good quality and have bought multiple colors”
What buyers complain about
“Does not Fit”
“These are not water proof because of the way the ends are open”
“Not a good quality”
“Broke pretty quickly”
“are a little thinner/flimsier than I prefer”
“cheap material”
“Not worth $10”
“Not as expected”
“Its delicate”
“Cannot use”
Top return reasons
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.