Is mx master 3s case profitable to sell on Amazon United States?

The niche generates $71K/yr across 6 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -13.2%. Flapen's verdict: Skip it (31/100).

How competitive is the mx master 3s case niche?

5 brands and 14 sellers compete. The top 5 products take 97% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in mx master 3s case?

Top complaints mined from reviews: Smell, Compatibility-Overall, Size-Overall. The return rate is 2.0%.

When does demand for mx master 3s case peak?

Demand peaks in Jan–Aug–Dec; the busiest month runs 2.5× the quietest.

What does it cost to enter the mx master 3s case niche?

Listings span $8.96–$17.96; the average listing price is $13.76 (sweet spot $15–$100). The average incumbent carries 2,165 reviews — the moat a new listing must climb.

mx master 3s case

Skip it

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

Conversion

Great11.4%

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

Returns

Great2.0%

return rate — above 5% kills the launch gate

Avg price

Good$13.76

avg listing price — sweet spot $15–$100

Review moat

Okay2,165

avg incumbent reviews — the moat a new listing must climb

Price range

Okay$8.96–$17.96

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

Market size

Bad$71K

$71K/yr · 45K searches

Growth

Bad-13.2%

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

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Competition

Bad97%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, mx master 3s case is a $71K/yr Amazon United States market (45K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan–Aug–Dec. Verdict: Skip it — 31/100.

Data updated Jul 21, 2026 · scored weekly · How we score niches

mx master 3s case market data

Units sold / yr: 4K–5K; avg 500–750/product
Revenue / yr: $55K–$69K; units × avg price
Conversion rate: 11.4%
Avg BSR: #349
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 0.0%
Avg brand age: 38 months
Avg seller age: 190 days

Competition & brand share

The top 5 products capture 97% of clicks — a locked-up shelf that new listings rarely crack.

Brands

5 falling

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

97%

Top 20: 100%

Open market

co2CREA59%
Hermitshell24%
Lebakort7%
Mckgute6%
Klawdsky3%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -13.2% search growth over the last 90 days.

Peak months: Jan, Aug, Dec · busiest ÷ quietest = 2.5×

Open Trend

Top mx master 3s case search terms

mx master 4 case15K/yr -10.6%9.4% conv.
logitech mx master 4 case8K/yr -12.5%9.3% conv.
mx master 3s case10K/yr -8.7%8.6% conv.
logitech mx master 3s case8K/yr -24.7%9.6% conv.
mx master case4K/yr -18.9%10.5% conv.

All search terms

Top mx master 3s case 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

co2CREA Hard Case Replacement for Logitech MX Master 4 / MX Master 3 Master 3S Advanced Wireless Mouse (Graphite Black Case)

co2CREA$16.944.8★4,834 rev

Hermitshell Hard Travel Case for Logitech MX Master 4 / MX Master 3 /MX Master 3S Advanced Wireless Mouse-2.0 Upgrade Version No Shake (Black)

Hermitshell$13.504.8★2,682 rev

Lebakort Storage Case Compatible with Logitech MX Master 4 / MX Master 3S / MX Master 3 / MX Matser 2S Advanced Mouse (Graphite Case)

Lebakort$15.864.8★445 rev

Mckgute Travel Carrying Case Replacement for Logitech MX Master 4 / MX Master 3S / Master 3 / Master 2S Advanced Computer Wireless Mouse- Upgrade Version No Shake

Mckgute$9.374.6★22 rev

Hard Mouse Case for Logitech MX Master 3S/3 Upgrade Version No Shake(Case Only)

Klawdsky$8.964.6★173 rev

Newest

by launch date

Mckgute Travel Carrying Case Replacement for Logitech MX Master 4 / MX Master 3S / Master 3 / Master 2S Advanced Computer Wireless Mouse- Upgrade Version No Shake

Mckgute$9.3722 rev

10mo ago

Lebakort Storage Case Compatible with Logitech MX Master 4 / MX Master 3S / MX Master 3 / MX Matser 2S Advanced Mouse (Graphite Case)

Lebakort$15.86445 rev

2y ago

Hard Mouse Case for Logitech MX Master 3S/3 Upgrade Version No Shake(Case Only)

Klawdsky$8.96173 rev

2y ago

co2CREA Hard Case Replacement for Logitech MX Master 4 / MX Master 3 Master 3S Advanced Wireless Mouse (Graphite Black Case)

co2CREA$16.944,834 rev

4y ago

co2CREA Hard Case Replacement for Logitech MX Master 4 / MX Master 3 / Master 3S Advanced Wireless Mouse (Mid Grey Case)

co2CREA$17.964,834 rev

4y ago

What buyers say about mx master 3s case

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

What buyers love

Quality-Overall21%

“Very good quality”

Drop/Impact Protection17%

“Protective”

Size-Overall15%

“Perfect fit”

Compatibility-Overall8%

“Buen producto, compatible”

Strength6%

“sturdy as well”

Design-Overall3%

“Excellent, well made case”

Product Condition3%

“it is completely new”

Material Quality3%

“The outside material is durable”

Durability3%

“it doesn't show any wear after almost a full year of use”

Portability2%

“its easy to throw into a backpack or carry-on for work or travel”

What buyers complain about

Smell20%

“Smelled of Burnt Plastic”

Compatibility-Overall20%

“DOES NOT FIT MX4”

Size-Overall14%

“TOO SMALL”

Advertised Vs Actual Product10%

“False advertising”

Value For Money4%

“For a case that was 2x the price of some of the competition”

Strength2%

“The case is rigid”

Flexibility2%

“it is more rigid than I was expecting”

Charging2%

“I wish there was room for a small charging cable”

Touch/Button Controls2%

“the top button is left out”

Design-Overall1%

“Its a shame because the design or function couldve been good”

Top return reasons

Size-Overall46%

Compatibility-Overall15%

Smell14%

Advertised Vs Actual Product6%

Value For Money3%

Quality-Overall3%

Material Quality2%

Touch/Button Controls1%

Weight Heavy1%