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48

tmnt card sleeves

Skip it

Soft demand (-74.8% this quarter) — this niche doesn't clear our bar today.

Market size 20Growth 0Conversion 57Competition 51Returns 98Price range 86Avg price 95Brand share 35Review moat 46Quality gap 72

Returns

Incredible0.4%

return rate — above 5% kills the launch gate

Avg price

Incredible$22.96

avg listing price — sweet spot $15–$100

Price range

Great$12.23–$36.53

cheapest to priciest tracked listing — scored on the share inside $15–$100

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Conversion

Good4.8%

search→purchase rate — share of searches ending in a sale

Competition

Good54%

top-5 click share — leaders hold, buyers still browse

Review moat

Okay1,947.86

avg incumbent reviews — the moat a new listing must climb

Brand share

Okay84%

top-5 brand share — brands hold most of the demand

Market size

Bad$82K

$82K/yr · 74K searches

Growth

Bad-74.8%

90-day search growth — must beat 0% to launch

According to Flapen's Amazon United States niche tracking, tmnt card sleeves is a $82K/yr Amazon United States market (74K searches/yr). The top 5 brands hold 84% of demand. Verdict: Skip it — 48/100.

Data updated Jul 30, 2026 · scored weekly · How we score niches

tmnt card sleeves market data

Units sold / yr
3K–3K
avg 0–100/product
Revenue / yr
$57K–$69K
units × avg price
Conversion rate
4.8%
Avg BSR
#575
Page quality
0%
Prime
90%
Sponsored
43%
Out of stock
16.8%
Avg brand age
32 months
Avg seller age
179 days

Competition & brand share

The top 5 products take 54% of clicks — established leaders, but buyers still shop beyond them.

Brands

10

Sellers

63

Top-5 brand share

84%

Top 20: 100%

Top-5 click share

54%

Top 20: 99%

Open market

9%

  • Kabinka22%
  • Neptten21%
  • Ultimate Guard20%
  • POPBATH12%
  • Realm Guard10%
  • FUNinEDH7%
  • Open — no brand owns it (4 brands, 9%)

Demand

Weekly Amazon search volume, last 17 weeks — -74.8% search growth over the last 90 days.
5K4KApr '26Apr '26May '26May '26May '26Jun '26Jun '26Jul '26Jul '26

Top tmnt card sleeves search terms

  • tmnt card sleeves23K/yr
  • tmnt mtg sleeves14K/yr
  • mtg tmnt sleeves11K/yr
  • tmnt sleeves mtg5K/yr
  • tmnt sleeves5K/yr
  • ninja turtle card sleeves6K/yr
  • tmnt card sleeves mtg5K/yr
  • tmnt mtg card sleeves5K/yr
All search terms

Top tmnt 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%5%$4K10%$8K15%$12K20%$16K1101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 21 tracked products in this niche — three views at once, no toggling.

What buyers say about tmnt card sleeves

What buyers praise and complain about, mined from review topics.

What buyers love

Quality-Overall18%

“Solid build quality”

Size-Overall13%

“They fit my football”

Durability11%

“The material feels durable”

Design-Overall7%

“The artwork on these sleeves looks great”

Value For Money6%

“Good for the money”

Color6%

“Good color”

Advertised Vs Actual Product5%

“Exactly what I wanted”

Grip4%

“they don't slip”

Soft Feel3%

“Feels better in my hands”

Collectibles3%

“that still collects”

What buyers complain about

Size-Overall29%

“realized it was 1 short”

Quality-Overall23%

“missing quality”

Durability7%

“They break very easily”

Value For Money6%

“Avoid these at all cost”

Grip4%

“a little slippery”

Thickness2%

“Material feels thinner than sleeves I typically get”

Ease Of Use2%

“They were not easy to use”

Advertised Vs Actual Product2%

“Misleading & Cheap”

Color2%

“looked poorly shaded”

Wrinkles2%

“Wrinkled doesn't even begin to describe how messed up the vast”

Top return reasons

Color31%
Size-Overall26%
Defective Material/Parts9%
Material Quality8%
Value For Money6%
Advertised Vs Actual Product6%
Product Condition2%
Ease Of Use2%
Storage Capacity2%
Instructions/User Manual/Troubleshooting2%

Common questions

Is tmnt card sleeves profitable to sell on Amazon United States?
The niche generates $82K/yr across 21 tracked products. 10 of 20 products launched in the last 360 days are still selling. 90-day search growth is -74.8%. Flapen's verdict: Skip it (48/100).
How competitive is the tmnt card sleeves niche?
10 brands and 63 sellers compete. The top 5 products take 54% of clicks and top 5 brands hold 84% of demand.
What do buyers complain about in tmnt card sleeves?
Top complaints mined from reviews: Size-Overall, Quality-Overall, Durability. The return rate is 0.4%.
What does it cost to enter the tmnt card sleeves niche?
Listings span $12.23–$36.53; the average listing price is $22.96 (sweet spot $15–$100). The average incumbent carries 1,948 reviews — the moat a new listing must climb.