Is waterproof first aid kit profitable to sell on Amazon United States?

The niche generates $1.0M/yr across 19 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is +130.3%. Flapen's verdict: Launch it (63/100).

How competitive is the waterproof first aid kit niche?

13 brands and 20 sellers compete. The top 5 products take 66% of clicks and top 5 brands hold 86% of demand.

What do buyers complain about in waterproof first aid kit?

Top complaints mined from reviews: Size-Overall, Quality-Overall, Water Resistance. The return rate is 0.6%.

When does demand for waterproof first aid kit peak?

Demand peaks in May–Jun–Jul; the busiest month runs 4.0× the quietest.

What does it cost to enter the waterproof first aid kit niche?

Listings span $9.62–$281.53; the average listing price is $50.98 (sweet spot $15–$100). The average incumbent carries 1,469 reviews — the moat a new listing must climb.

waterproof first aid kit

Launch it

A $1.0M/yr market growing +130.3% this quarter with returns at 0.6% — clears our launch bar.

Returns

Incredible0.6%

return rate — above 5% kills the launch gate

Growth

Incredible+130.3%

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

Avg price

Great$50.98

avg listing price — sweet spot $15–$100

Conversion

Great8.5%

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

Market size

Great$1.0M

$1.0M/yr · 233K searches

Review moat

Good1,469.42

avg incumbent reviews — the moat a new listing must climb

Competition

Okay66%

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

Brand share

Okay86%

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

Price range

Okay$9.62–$281.53

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

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Signals Trending High Price

According to Flapen's Amazon United States niche tracking, waterproof first aid kit is a $1.0M/yr Amazon United States market (233K searches/yr). The top 5 brands hold 86% of demand. Demand peaks in May–Jun–Jul. Verdict: Launch it — 63/100.

Data updated Jul 20, 2026 · scored weekly · How we score niches

waterproof first aid kit market data

Units sold / yr: 15K–20K; avg 750–1,000/product
Revenue / yr: $765K–$1.0M; units × avg price
Conversion rate: 8.5%
Avg BSR: #69
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 2.9%
Avg brand age: 54 months
Avg seller age: 155 days

Competition & brand share

The top 5 products take 66% of clicks — established leaders, but buyers still shop beyond them.

Brands

13 rising

Sellers

Top-5 brand share

86%

Top 20: 100%

Top-5 click share

66%

Top 20: 100%

Open market

11%

Vriexsd34%
THRIAID18%
WELL-STRONG14%
RHINO RESCUE11%
Gevoke9%
BrightCare3%
Open — no brand owns it (7 brands, 11%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +130.3% search growth over the last 90 days.

Peak months: May, Jun, Jul · busiest ÷ quietest = 4.0×

Open Trend

Top waterproof first aid kit search terms

boat first aid kit48K/yr +194.1%8.0% conv.
first aid kit for boat31K/yr +238.0%9.5% conv.
waterproof first aid kit44K/yr +65.5%3.5% conv.
marine first aid kit for boat20K/yr +113.1%8.1% conv.
marine first aid kit17K/yr +90.2%5.0% conv.
boat first aid kit waterproof12K/yr +123.2%8.5% conv.
fishing first aid kit10K/yr +127.2%2.9% conv.
first aid kit waterproof10K/yr +52.8%4.0% conv.
waterproof first aid kit for boat6K/yr +440.0%6.6% conv.
first aid kit boat6K/yr +203.3%8.3% conv.

All search terms

Top waterproof first aid kit 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 19 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Mini First Aid Kit - 150 Piece Small Waterproof Hard Shell Medical Kit for Home Car Travel Camping Truck Hiking Sports Office Vehicle & Outdoor Emergencies- Small First Aid Medical Kit (Red)

Vriexsd$9.624.8★5,374 rev

WELL-STRONG Waterproof First Aid Kit Roll Top Boat Emergency Kit with Waterproof Contents for Fishing Kayaking Boating Swimming Camping Rafting Beach Red

WELL-STRONG$22.754.6★2,065 rev

VRIEXSD Premium First Aid Kit 320 Piece Waterproof Hard Shell Eva First Aid Kit for Home Camping Cars Hiking Travel Businesses & Outdoor Emergencies - Emergency Medical Kits (Red)

Vriexsd$20.594.7★1,272 rev

250 PCS Waterproof First Aid Kit Roll Top Reflective Boat Dry Bag Bug Out Bags Emergency Medical Kit Ideal for Boating Camping Fishing Kayaking Floating Red

THRIAID$42.224.8★303 rev

Gevoke 410 Piece Waterproof Hard Shell First Aid Kit for Home Car Travel Camping Truck Hiking Sports Office Vehicle & Outdoor Emergencies - Emergency Medical Kits (Red)

Gevoke$36.824.7★446 rev

Newest

by launch date

211 PCS Waterproof First Aid Kit IPX7 Rated Dry Bag with Airtight Zipper Portable Emergency Medical Supplies for Hiking Boating Swimming Camping & Outdoor Activities

SPEEDYAID$27.0739 rev

5mo ago

NANUK 904 Waterproof First Aid Kit 110pcs Durable Pre-Stocked First Aid Emergency Kit with Bandages Tick Removal Tool and More Dustproof Impact-Resistant Floats (10.2 x 7.9 x 4.5) Red

NANUK$84.326 rev

8mo ago

SurviveX Large Waterproof First Aid Kit for Car Travel & Home - Emergency Kit for Hiking Camping Backpacking and Outdoors - Includes Zip Stitch Wound Closure Strips

SurviveX$144.5270 rev

8mo ago

Gevoke 410 Piece Waterproof Hard Shell First Aid Kit for Home Car Travel Camping Truck Hiking Sports Office Vehicle & Outdoor Emergencies - Emergency Medical Kits (Red)

Gevoke$36.82446 rev

1y ago

250 PCS Waterproof First Aid Kit Roll Top Reflective Boat Dry Bag Bug Out Bags Emergency Medical Kit Ideal for Boating Camping Fishing Kayaking Floating Red

THRIAID$42.22303 rev

1y ago

What buyers say about waterproof first aid kit

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

What buyers love

Quality-Overall15%

“Excellent product”

Value For Money15%

“Awesome price”

Size-Overall11%

“Nice fit”

Compactness8%

“Compact size”

Advertised Vs Actual Product8%

“As advertised”

Portability6%

“Portable and affordable”

Ease Of Use5%

“easy to access”

Water Resistance4%

“it is indeed water proof”

Durability2%

“Looks very durable”

Strength2%

“this thing is an exceptionally heavy duty case”

What buyers complain about

Size-Overall19%

“Bag is small”

Quality-Overall14%

“Cheap poor quality”

Water Resistance14%

“Absolutely in no way is this water proof”

Ease Of Use3%

“UNABLE TO USE THEM”

Adhesion/Stickiness2%

“Very inferior adhesive quality”

Advertised Vs Actual Product2%

“The photo as usual is designed deceptively”

Durability2%

“I honestly thought it might break the first time I used it”

Zipper Quality2%

“The zipper is fairly stiff to open and close,”

Value For Money2%

“it's expensive and I tend to forget things”

Smell2%

“It smells terrible”

Top return reasons

Size-Overall57%

Advertised Vs Actual Product9%

Quality-Overall8%

Weight Heavy5%

Value For Money5%

Zipper Quality3%