Is kmc oversleeves profitable to sell on Amazon United States?

The niche generates $91K/yr across 6 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -1.5%. Flapen's verdict: Skip it (35/100).

How competitive is the kmc oversleeves niche?

4 brands and 46 sellers compete. The top 5 products take 95% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in kmc oversleeves?

Top complaints mined from reviews: Thickness, Size-Overall, Quality-Overall. The return rate is 1.1%.

When does demand for kmc oversleeves peak?

Demand peaks in Jun–Jul; the busiest month runs 2.0× the quietest.

What does it cost to enter the kmc oversleeves niche?

Listings span $9.99–$13.04; the average listing price is $11.49 (sweet spot $15–$100). The average incumbent carries 180 reviews — the moat a new listing must climb.

kmc oversleeves

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Returns

Great1.1%

return rate — above 5% kills the launch gate

Review moat

Great179.5

avg incumbent reviews — the moat a new listing must climb

Conversion

Great9.8%

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

Avg price

Okay$11.49

avg listing price — sweet spot $15–$100

Growth

Bad-1.5%

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

Market size

Bad$91K

$91K/yr · 80K searches

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Competition

Bad95%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

Price range

Bad$9.99–$13.04

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

According to Flapen's Amazon United States niche tracking, kmc oversleeves is a $91K/yr Amazon United States market (80K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jun–Jul. Verdict: Skip it — 35/100.

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

kmc oversleeves market data

Units sold / yr: 8K–10K; avg 1,500–2,000/product
Revenue / yr: $92K–$115K; units × avg price
Conversion rate: 9.8%
Avg BSR: #541
Page quality: 0%
Prime: 100%
Sponsored: 50%
Out of stock: 5.1%
Avg brand age: 46 months
Avg seller age: 161 days

Competition & brand share

The top 5 products capture 95% of clicks — a locked-up shelf that new listings rarely crack.

Brands

4 flat

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

95%

Top 20: 100%

Open market

Dragon Shield74%
Morishita12%
Katomula8%
Arcane Tinmen6%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -1.5% search growth over the last 90 days.

Peak months: Jun, Jul · busiest ÷ quietest = 2.0×

Open Trend

Top kmc oversleeves search terms

outer sleeves tcg15K/yr -0.1%6.0% conv.
dragon shield outer sleeves16K/yr -3.2%13.6% conv.
outer sleeves11K/yr +16.2%4.1% conv.
oversleeves tcg8K/yr +1.1%5.1% conv.
oversleeves7K/yr -6.5%3.7% conv.
over sleeves tcg4K/yr -6.3%5.5% conv.
clear outer sleeves3K/yr +6.5%12.1% conv.
mtg outer sleeves4K/yr -4.6%3.8% conv.
dragon shield oversleeves4K/yr -11.2%17.4% conv.
dragon shield clear outer sleeves3K/yr -7.5%16.5% conv.

All search terms

Top kmc oversleeves 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 6 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Dragon Shield | Matte Clear Outer Sleeves | 100 CT - Smooth & Tough Premium TCG Sleeves | Compatible with Pokemon Flesh & Blood One Piece & Magic the Gathering

Dragon Shield$13.044.8★618 rev

Katomula 100CT Outer Sleeves Oversize MTG Card Sleeves for Double Sleeving & Triple Sleeving Clear Matte Card Sleeves for Magic The Gathering & PKM 69 * 94mm

Katomula$12.404.5★80 rev

Morishita Diamond Matte Sleeves for Standard Size Cards Premium Third-Layer Protection Outer Sleeves for PTCG OPCG MTG 80 Pack

Morishita$9.994.7★26 rev

Dragon Shield Outer Sleeves Matte Black 100 CT Card Sleeves - Smooth & Tough - Compatible with Pokmon Magic The Gathering Cards & Digimon MTG TCG OCG & Hockey Cards

Arcane Tinmen$13.004.4★73 rev

Morishita Frosted Matte Sleeves for Standard Size Cards Premium Third-Layer Protection Outer Sleeves for PTCG OPCG MTG 80 Pack

Morishita$10.494.8★37 rev

Newest

by launch date

Morishita Diamond Matte Sleeves for Standard Size Cards Premium Third-Layer Protection Outer Sleeves for PTCG OPCG MTG 80 Pack

Morishita$9.9926 rev

5mo ago

Morishita Frosted Matte Sleeves for Standard Size Cards Premium Third-Layer Protection Outer Sleeves for PTCG OPCG MTG 80 Pack

Morishita$10.4937 rev

1y ago

Katomula 100CT Outer Sleeves Oversize MTG Card Sleeves for Double Sleeving & Triple Sleeving Clear Matte Card Sleeves for Magic The Gathering & PKM 69 * 94mm

Katomula$12.4080 rev

1y ago

Dragon Shield | Matte Clear Outer Sleeves | 100 CT - Smooth & Tough Premium TCG Sleeves | Compatible with Pokemon Flesh & Blood One Piece & Magic the Gathering

Dragon Shield$13.04618 rev

3y ago

Dragon Shield Outer Sleeves Matte Black 100 CT Card Sleeves - Smooth & Tough - Compatible with Pokmon Magic The Gathering Cards & Digimon MTG TCG OCG & Hockey Cards

Arcane Tinmen$13.0073 rev

3y ago

What buyers say about kmc oversleeves

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

What buyers love

Drop/Impact Protection21%

“Perfect for protecting TCG cards to actually want to play with”

Quality-Overall17%

“Really good quality”

Ease Of Use10%

“Easy to use”

Value For Money8%

“Good bang for my buck”

Size-Overall7%

“Perfect Size For ATCs”

Thickness6%

“thick”

Durability5%

“feel durable”

Material Quality4%

“In the picture it shows the thickness sleeved which is super high quality feeling”

Strength3%

“They're nice and sturdy and shuffle really well”

Collectibles3%

“The ultimate protection for your card collection”

What buyers complain about

Thickness24%

“it was as thick as my 100 card double sleeved commander deck”

Size-Overall19%

“The sleeves are even shorter than their predecessors”

Quality-Overall6%

“Quality decline”

Advertised Vs Actual Product6%

“I just apparently did not understand the listing”

Ease Of Use3%

“Shuffling with these or any kind has always been a bit difficult”

Hard Feel2%

“These are stiff”

Material Quality2%

“The plastic is a thicker plastic”

Top return reasons

Size-Overall59%

Advertised Vs Actual Product15%

Color5%

Value For Money4%

Defective Material/Parts3%

Quality-Overall3%

Wrinkles2%

Compatibility-Overall2%

Comfort-Overall1%

Product Condition1%

Common questions

Is kmc oversleeves profitable to sell on Amazon United States?: The niche generates $91K/yr across 6 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -1.5%. Flapen's verdict: Skip it (35/100).
How competitive is the kmc oversleeves niche?: 4 brands and 46 sellers compete. The top 5 products take 95% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in kmc oversleeves?: Top complaints mined from reviews: Thickness, Size-Overall, Quality-Overall. The return rate is 1.1%.
When does demand for kmc oversleeves peak?: Demand peaks in Jun–Jul; the busiest month runs 2.0× the quietest.
What does it cost to enter the kmc oversleeves niche?: Listings span $9.99–$13.04; the average listing price is $11.49 (sweet spot $15–$100). The average incumbent carries 180 reviews — the moat a new listing must climb.