---
title: "hat washer for washing machine — $1.8M/yr Amazon United States Niche, Score 59/100 - Flapen"
canonical_url: "https://flapen.com/research/us/appliances/hat-washer-for-washing-machine"
last_updated: "2026-07-20T18:05:59.289Z"
locale: en
meta:
description: "hat washer for washing machine clears our launch bar: a $1.8M/yr market growing +65.5% this quarter with returns at 1.3%. Data updated Jul 2026."
"og:description": "hat washer for washing machine clears our launch bar: a $1.8M/yr market growing +65.5% this quarter with returns at 1.3%. Data updated Jul 2026."
"og:title": "hat washer for washing machine — $1.8M/yr Amazon United States Niche, Score 59/100 - Flapen"
---
# **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 91Growth 77Conversion 86Competition 12Returns 89Price range 42Avg price 74Brand share 0Review moat 23Quality gap 77
**Market size**
**Great****$1.8M**
$1.8M/yr · 1.2M searches
**Returns**
**Great****1.3%**
return rate — above 6% kills the launch gate
**Conversion**
**Great****9.7%**
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**
**Great****4.3★**
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**
**Bad****7,247.4**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Bad****86%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
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 ~~](https://flapen.com/research/methodology)
## **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**
**8**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**86%**
Top 20: 100%
**Open market**
**0%**
- Haiou49% - Eiito31% - Fododo13% - BallcapBuddy4% - JIANGXINI2%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +65.5% search growth over the last 90 days.
40K30KSpike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jun, Jul, Aug · busiest ÷ quietest = 2.3×
[**Open Trend **](https://flapen.com/research/us/appliances/hat-washer-for-washing-machine/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.
0%15%$265K30%$530K45%$795K60%$1.1M101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
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
[1**Hat Washers Cap Washers for Washing Machine Hat Cleaning Shaper Protector Fit for Adult and Kids Baseball Caps White**Haiou**$9.64**4.2★3,875 rev](https://www.amazon.com/dp/B0BC3KC5CW) [2**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**$13.62**4.2★7,408 rev](https://www.amazon.com/dp/B0CVRVKH8S) [3**Fododo Hat Washer Cage for Baseball Caps Washing Machine Dishwasher Cap Cleaner Frame Washing for Adult Kids Ball Hats (Black-1Pack)**Fododo**$8.64**4.3★1,528 rev](https://www.amazon.com/dp/B0CT8Y3L5C) [4**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**$19.32**4.2★7,408 rev](https://www.amazon.com/dp/B0CTHFK6ZN) [5**BallcapBuddy Original & Patented 3-Pack Baseball Hat Washer Cage for Washing Machine/Dishwasher Kids & Adults Hat Cleaner/Washer/Shaper for Baseball Caps - Black**BallcapBuddy**$19.69**4.3★31,706 rev](https://www.amazon.com/dp/B0819DMKFJ)
**~~View all top sellers →~~**
### **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**$13.69**70 rev6mo ago](https://www.amazon.com/dp/B0GF1JDRRY) [**Haiou 2 Pack Hat Washer Cage for Baseball Caps Adult and Kids Ball Caps White**Haiou**$14.24**3,249 rev2y ago](https://www.amazon.com/dp/B0CWSNZRSD) [**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**$13.62**7,408 rev2y ago](https://www.amazon.com/dp/B0CVRVKH8S) [**Fododo Hat Washer Cage for Baseball Caps Washing Machine Dishwasher Cap Cleaner Frame Washing for Adult Kids Ball Hats (Black-1Pack)**Fododo**$8.64**1,528 rev2y ago](https://www.amazon.com/dp/B0CT8Y3L5C) [**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**$19.40**7,408 rev2y ago](https://www.amazon.com/dp/B0CTHCLP3G)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**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**$13.69**4.2★**▲ 134%**](https://www.amazon.com/dp/B0GF1JDRRY) [**Fododo Hat Washer Cage for Baseball Caps Washing Machine Dishwasher Cap Cleaner Frame Washing for Adult Kids Ball Hats (Black-1Pack)**Fododo**$8.64**4.3★**▲ 50%**](https://www.amazon.com/dp/B0CT8Y3L5C) [**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**$13.62**4.2★**▲ 37%**](https://www.amazon.com/dp/B0CVRVKH8S) [**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**$19.40**4.2★**▲ 36%**](https://www.amazon.com/dp/B0CTHCLP3G) [**BallcapBuddy Original & Patented 3-Pack Baseball Hat Washer Cage for Washing Machine/Dishwasher Kids & Adults Hat Cleaner/Washer/Shaper for Baseball Caps - Black**BallcapBuddy**$19.69**4.3★**▲ 33%**](https://www.amazon.com/dp/B0819DMKFJ)
**~~View all trending →~~**
## **Reviews**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Advertised Vs Actual Product**13%
*“As advertised”*
**Quality-Overall**12%
*“Overall, I am very happy with the results from using this”*
**Washability**11%
*“Great product works well in wash machine”*
**Ease Of Cleaning**11%
*“SUPER CLEAN”*
**Ease Of Use**11%
*“Easy to use”*
**Efficiency**6%
*“Actually works really well and gets the job done effectively and efficiently”*
**Shape/Style**5%
*“retained it's shape”*
**Strength**3%
*“Strong clips strong rack”*
**Size-Overall**3%
*“Fits all my ball caps”*
**Assembly/Installation**3%
*“Easy installation”*
### **What buyers complain about **
**Durability**14%
*“Broke while”*
**Quality-Overall**9%
*“Poor quality control”*
**Functionality-Overall**8%
*“Didn't work”*
**Value For Money**7%
*“Not worth the money”*
**Washability**6%
*“Bent after the first wash”*
**Instructions/User Manual/Troubleshooting**6%
*“The directions were Horrible”*
**Strength**5%
*“Very flimsy”*
**Ease Of Cleaning**5%
*“Hat Washer doesn't Clean Hats”*
**Shape/Style**5%
*“Nothing to keep your hats shape”*
**Size-Overall**4%
*“didn't fit/shape my hats very well”*
### **Top return reasons **
**Size-Overall**24%
**Functionality-Overall**10%
**Advertised Vs Actual Product**9%
**Defective Material/Parts**7%
**Frame Quality**6%
**Quality-Overall**5%
**Value For Money**4%
**Strength**4%
**Shape/Style**4%
**Material Quality**3%
## **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.
## **Related niches in Appliances**
- 60 [**co2 regulator**](https://flapen.com/research/us/appliances/co2-regulator)$435K/yr+17.3%**Worth a look**- 60 [**egg carrier**](https://flapen.com/research/us/appliances/egg-carrier)$139K/yr+121.6%**Worth a look**- 60 [**outdoor refrigerators**](https://flapen.com/research/us/appliances/outdoor-refrigerators)$177K/yr+51.1%**Worth a look**- 61 [**aju73213301**](https://flapen.com/research/us/appliances/aju73213301)$145K/yr+29.5%**Worth a look**- 61 [**craft ice maker**](https://flapen.com/research/us/appliances/craft-ice-maker)$978K/yr+61.1%**Launch it**- 61 [**rv refrigerator**](https://flapen.com/research/us/appliances/rv-refrigerator)$4.7M/yr+14.8%**Launch it**[**All Appliances niches **](https://flapen.com/research/us/appliances)