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seasick patches for cruise

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A concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.

Market size 53Growth 31Conversion 97Competition 0Returns 100Price range 66Avg price 63Brand share 0Review moat 22Quality gap 33

Returns

Incredible0.0%

return rate — above 6% kills the launch gate

Conversion

Incredible15.3%

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

Price range

Good$5.84–$32.48

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

Avg price

Good$13.52

avg listing price — sweet spot $15–$100

Market size

Good$348K

$348K/yr · 169K searches

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Growth

Okay+4.5%

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

Review moat

Bad9,488.5

avg incumbent reviews — the moat a new listing must climb

Competition

Bad100%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

Competition

The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.

Brands

3 flat

Sellers

4

Top-5 brand share

100%

Open market

0%

  • SAILPAK65%
  • Hionfurt22%
  • MQ14%

Product shelf

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%20%$70K40%$139K60%$209K80%$279K1001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 4 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +4.5% search growth over the last 90 days.
6K4KPrime Day '24Spike '24Spike '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.3×

Reviews

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

What buyers love

Efficiency32%

“Works well”

Ease Of Use7%

“Ease of use”

Side Effects6%

“No nausea, no dizziness, and I was able to fully enjoy the trip without worrying about how I was feeling”

Quality-Overall6%

“Overall, this is a reliable and comfortable way to enjoy your cruise without discomfort”

Value For Money5%

“Worth it”

Muscle Pain Relief4%

“These worked really well for someone who is always motion sick”

Advertised Vs Actual Product4%

“Did the job”

Adhesion/Stickiness3%

“They stick well”

Fever Relief3%

“They are really very usefull for sickness”

Smell3%

“They smell nice”

What buyers complain about

Functionality-Overall27%

“Does not function”

Smell12%

“Horrid smell”

Adhesion/Stickiness7%

“Didn't stick to skin”

Side Effects5%

“drowsiness side affects”

Sleep Quality4%

“nothing helps other than eventually sleeping it off”

Ingredients-Overall3%

“May contain pharmaceutical ingredients”

Value For Money3%

“Pricey for what you get”

Pain Relief-Overall2%

“This made me very ill”

Allergies2%

“However, I have sensitive skin and they made me itch”

Strength2%

“not strong or bothersome”