Is hat washer for washing machine profitable to sell on Amazon United States?

The niche generates $1.8M/yr across 10 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +65.5%. Flapen's verdict: Launch it (59/100).

How competitive is the hat washer for washing machine niche?

5 brands and 8 sellers compete. The top 5 products take 86% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in hat washer for washing machine?

Top complaints mined from reviews: Durability, Quality-Overall, Functionality-Overall. The return rate is 1.3%.

When does demand for hat washer for washing machine peak?

Demand peaks in Jun–Jul–Aug; the busiest month runs 2.3× the quietest.

What does it cost to enter the hat washer for washing machine niche?

Listings span $8.64–$19.69; the average listing price is $14.92 (sweet spot $15–$100). The average incumbent carries 7,247 reviews — the moat a new listing must climb.

hat washer for washing machine

Launch it

A $1.8M/yr market growing +65.5% this quarter with returns at 1.3% — clears our launch bar.

Market size

Great$1.8M

$1.8M/yr · 1.2M searches

Returns

Great1.3%

return rate — above 6% kills the launch gate

Conversion

Great9.7%

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

Growth

Great+65.5%

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

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Avg price

Good$14.92

avg listing price — sweet spot $15–$100

Price range

Okay$8.64–$19.69

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

Review moat

Bad7,247.4

avg incumbent reviews — the moat a new listing must climb

Competition

Bad86%

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, hat washer for washing machine is a $1.8M/yr Amazon United States market (1.2M searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jun–Jul–Aug. Verdict: Launch it — 59/100.

Data updated Jul 6, 2026 · scored weekly · How we score niches

Market data

Units sold / yr: 125K–150K; avg 10,000–12,500/product
Revenue / yr: $1.9M–$2.2M; units × avg price
Launch success: —; 1 of 1 new (360d)
Conversion rate: 9.7%
Avg BSR: #195
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 5.9%
Avg brand age: 34 months
Avg seller age: 170 days

Competition

The top 5 products capture 86% 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

86%

Top 20: 100%

Open market

Haiou49%
Eiito31%
Fododo13%
BallcapBuddy4%
JIANGXINI2%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +65.5% search growth over the last 90 days.

Peak months: Jun, Jul, Aug · busiest ÷ quietest = 2.3×

Open Trend

Product shelf

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

Top sellers

by 90-day click share

Hat Washers Cap Washers for Washing Machine Hat Cleaning Shaper Protector Fit for Adult and Kids Baseball Caps White

Haiou$9.644.2★3,875 rev

Eiito Hat Washer Cage Hat Washer for Baseball Caps for Washing Machine or Dishwasher Ball Cap Washers Frame for Flat and Curved Hats Hats cage Fit for Adult and Kids 1 Pack White

Eiito$13.624.2★7,408 rev

Fododo Hat Washer Cage for Baseball Caps Washing Machine Dishwasher Cap Cleaner Frame Washing for Adult Kids Ball Hats (Black-1Pack)

Fododo$8.644.3★1,528 rev

Eiito Hat Washer Cage Hats Cleaner 4Pcs (2 Cages + 2 Bags) Hat Washer for baseball caps for Washing Machine or Dishwasher Ball Cap Washers Frame for Flat & Curved Hats White

Eiito$19.324.2★7,408 rev

BallcapBuddy Original & Patented 3-Pack Baseball Hat Washer Cage for Washing Machine/Dishwasher Kids & Adults Hat Cleaner/Washer/Shaper for Baseball Caps - Black

BallcapBuddy$19.694.3★31,706 rev

Newest

by launch date

Hat Washer Cage Hats Cleaner 4Pcs (2 Cages + 2 Bags) Hat Washer for Washing Machine Suitable for washing machines or dishwashers various sizes of flat and curved baseball cap cleaning machines

JIANGXINI$13.6970 rev

6mo ago

Haiou 2 Pack Hat Washer Cage for Baseball Caps Adult and Kids Ball Caps White

Haiou$14.243,249 rev

2y ago

Eiito Hat Washer Cage Hat Washer for Baseball Caps for Washing Machine or Dishwasher Ball Cap Washers Frame for Flat and Curved Hats Hats cage Fit for Adult and Kids 1 Pack White

Eiito$13.627,408 rev

2y ago

Fododo Hat Washer Cage for Baseball Caps Washing Machine Dishwasher Cap Cleaner Frame Washing for Adult Kids Ball Hats (Black-1Pack)

Fododo$8.641,528 rev

2y ago

Eiito Hat Washer Cage Hat Washer for Baseball Caps Hats Washing Machine with Frame and Washers Bag Keep the Hats in Shape Suitable for Adult and Kids 2 Pack Black

Eiito$19.407,408 rev

2y ago

Reviews

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

What buyers love

Advertised Vs Actual Product13%

“As advertised”

Quality-Overall12%

“Overall, I am very happy with the results from using this”

Washability11%

“Great product works well in wash machine”

Ease Of Cleaning11%

“SUPER CLEAN”

Ease Of Use11%

“Easy to use”

Efficiency6%

“Actually works really well and gets the job done effectively and efficiently”

Shape/Style5%

“retained it's shape”

Strength3%

“Strong clips strong rack”

Size-Overall3%

“Fits all my ball caps”

Assembly/Installation3%

“Easy installation”

What buyers complain about

Durability14%

“Broke while”

Quality-Overall9%

“Poor quality control”

Functionality-Overall8%

“Didn't work”

Value For Money7%

“Not worth the money”

Washability6%

“Bent after the first wash”

Instructions/User Manual/Troubleshooting6%

“The directions were Horrible”

Strength5%

“Very flimsy”

Ease Of Cleaning5%

“Hat Washer doesn't Clean Hats”

Shape/Style5%

“Nothing to keep your hats shape”

Size-Overall4%

“didn't fit/shape my hats very well”

Top return reasons

Size-Overall24%

Functionality-Overall10%

Advertised Vs Actual Product9%

Defective Material/Parts7%

Frame Quality6%

Quality-Overall5%

Value For Money4%

Strength4%

Shape/Style4%

Material Quality3%

Common questions

Is hat washer for washing machine profitable to sell on Amazon United States?: The niche generates $1.8M/yr across 10 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +65.5%. Flapen's verdict: Launch it (59/100).
How competitive is the hat washer for washing machine niche?: 5 brands and 8 sellers compete. The top 5 products take 86% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in hat washer for washing machine?: Top complaints mined from reviews: Durability, Quality-Overall, Functionality-Overall. The return rate is 1.3%.
When does demand for hat washer for washing machine peak?: Demand peaks in Jun–Jul–Aug; the busiest month runs 2.3× the quietest.
What does it cost to enter the hat washer for washing machine niche?: Listings span $8.64–$19.69; the average listing price is $14.92 (sweet spot $15–$100). The average incumbent carries 7,247 reviews — the moat a new listing must climb.

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hat washer for washing machine

Market data

Competition

Demand & seasonality

Product shelf

Top sellers

Newest

Trending

Reviews

What buyers love

What buyers complain about

Top return reasons

Common questions

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