--- title: "hat washer for washing machine — Niche Verdict: Skip it (51/100) | Amazon United States - Flapen" canonical_url: "https://flapen.com/amazon/research/us/appliances/hat-washer-for-washing-machine" last_updated: "2026-07-09T23:49:00.901Z" locale: en meta: description: "a concentrated shelf (top 5 take 86% of clicks) — hat washer for washing machine doesn't clear our bar today." "og:description": "a concentrated shelf (top 5 take 86% of clicks) — hat washer for washing machine doesn't clear our bar today." "og:title": "hat washer for washing machine — Niche Verdict: Skip it (51/100) | Amazon United States - Flapen" --- Back to Flapen home # **hat washer for washing machine** **Skip it****51/100 ** a concentrated shelf (top 5 take 86% of clicks) — hat washer for washing machine doesn't clear our bar today. **Market/yr** **$1.8M** **Growth (1y)** **+140.9%** **Products** **10** **Brands** **5** was 7 a year ago **Sellers** **8** **Price range** **$8.64–$19.69** **Returns** **1.3%** **Rating** **4.3★** **Skip it** Scored 51/100 across market size, growth, competition, quality gap, and returns. Market sizeGrowthCompetitionQuality gapReturns Market size **46** ×0.30 Growth **70** ×0.30 Competition **7** ×0.20 Quality gap **63** ×0.10 Returns **90** ×0.10 ## **Demand** Weekly Amazon search volume, last 104 weeks — +140.9% year over year. 41K20KSpike '25Prime Day '25Spike '26Jul '24Nov '24Mar '25Jun '25Oct '25Feb '26 ## **Seasonality** Monthly demand index across the year — 1.00 is average. JFMAMJJASOND Peak months: Jun, Jul, Aug · busiest ÷ quietest = 2.3× ## **Competition** - Haiou49% - Eiito31% - Fododo13% - BallcapBuddy4% - JIANGXINI2% The top 5 products capture 86% of clicks — a locked-up shelf that new listings rarely crack. 5 brands and 8 sellers compete here. **Brands** **5 **▼falling was 7 a year ago **Sellers** **8** **Top 5 brand share** **100%** #ProductBrandPriceRatingReviewsClick shareTrend 1 ![Hat Washers Cap Washers for Washing Machine Hat Cleaning Shaper Protector Fit for Adult and Kids Baseball Caps White](https://m.media-amazon.com/images/I/51yqQYo5IYL.jpg) [**Hat Washers Cap Washers for Washing Machine Hat Cleaning Shaper Protector Fit for Adult and Kids Baseball Caps White**](https://www.amazon.com/dp/B0BC3KC5CW) Haiou$9.644.2★3,87540%▲rising 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](https://m.media-amazon.com/images/I/41Eg-OWKuqL.jpg) [**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**](https://www.amazon.com/dp/B0CVRVKH8S) Eiito$13.624.2★7,40816%▲rising 3 ![Fododo Hat Washer Cage for Baseball Caps Washing Machine Dishwasher Cap Cleaner Frame Washing for Adult Kids Ball Hats (Black-1Pack)](https://m.media-amazon.com/images/I/41azmgjB-hL.jpg) [**Fododo Hat Washer Cage for Baseball Caps Washing Machine Dishwasher Cap Cleaner Frame Washing for Adult Kids Ball Hats (Black-1Pack)**](https://www.amazon.com/dp/B0CT8Y3L5C) Fododo$8.644.3★1,52813%▲rising 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](https://m.media-amazon.com/images/I/41F6DSQ3hAL.jpg) [**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**](https://www.amazon.com/dp/B0CTHFK6ZN) Eiito$19.324.2★7,40812%▼falling 5 ![BallcapBuddy Original & Patented 3-Pack Baseball Hat Washer Cage for Washing Machine/Dishwasher Kids & Adults Hat Cleaner/Washer/Shaper for Baseball Caps - Black](https://m.media-amazon.com/images/I/51ulD7+VmhL.jpg) [**BallcapBuddy Original & Patented 3-Pack Baseball Hat Washer Cage for Washing Machine/Dishwasher Kids & Adults Hat Cleaner/Washer/Shaper for Baseball Caps - Black**](https://www.amazon.com/dp/B0819DMKFJ) BallcapBuddy$19.694.3★31,7064%▲rising 6 ![Haiou 2 Pack Hat Washer Cage for Baseball Caps Adult and Kids Ball Caps White](https://m.media-amazon.com/images/I/41Tx49K0yOL.jpg) [**Haiou 2 Pack Hat Washer Cage for Baseball Caps Adult and Kids Ball Caps White**](https://www.amazon.com/dp/B0CWSNZRSD) Haiou$14.244.4★3,2494%—flat 7 ![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](https://m.media-amazon.com/images/I/51Jq3-B14RL.jpg) [**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**](https://www.amazon.com/dp/B0CTHCLP3G) Eiito$19.404.2★7,4083%▲rising 8 ![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](https://m.media-amazon.com/images/I/51woT6gdJFL.jpg) [**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**](https://www.amazon.com/dp/B0GF1JDRRY) JIANGXINI$13.694.2★702%▲rising 9 ![Hat Washer Cage Hat Cleaner for Baseball Caps Fit for Adults and Kids Hats White](https://m.media-amazon.com/images/I/41mCVSi6zHL.jpg) [**Hat Washer Cage Hat Cleaner for Baseball Caps Fit for Adults and Kids Hats White**](https://www.amazon.com/dp/B0CS3H56R8) Haiou$12.034.3★7,5242%▼falling 10 ![Haiou Hat Washer Cage - Protect Shape & Prevent Damage in Washing Machine/Dishwasher Fits All Baseball CapsWhite (4 Pack)](https://m.media-amazon.com/images/I/51uWyHyCNqL.jpg) [**Haiou Hat Washer Cage - Protect Shape & Prevent Damage in Washing Machine/Dishwasher Fits All Baseball CapsWhite (4 Pack)**](https://www.amazon.com/dp/B0C5WMNZG7) Haiou$18.904.4★2,2982%▼falling ## **Product shelf** All 10 tracked products in this niche. Top sellersNewestTrending [![Hat Washers Cap Washers for Washing Machine Hat Cleaning Shaper Protector Fit for Adult and Kids Baseball Caps White](https://m.media-amazon.com/images/I/51yqQYo5IYL.jpg)**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 reviews](https://www.amazon.com/dp/B0BC3KC5CW) [![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](https://m.media-amazon.com/images/I/41Eg-OWKuqL.jpg)**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 reviews](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)](https://m.media-amazon.com/images/I/41azmgjB-hL.jpg)**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 reviews](https://www.amazon.com/dp/B0CT8Y3L5C) [![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](https://m.media-amazon.com/images/I/41F6DSQ3hAL.jpg)**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 reviews](https://www.amazon.com/dp/B0CTHFK6ZN) [![BallcapBuddy Original & Patented 3-Pack Baseball Hat Washer Cage for Washing Machine/Dishwasher Kids & Adults Hat Cleaner/Washer/Shaper for Baseball Caps - Black](https://m.media-amazon.com/images/I/51ulD7+VmhL.jpg)**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 reviews](https://www.amazon.com/dp/B0819DMKFJ) [![Haiou 2 Pack Hat Washer Cage for Baseball Caps Adult and Kids Ball Caps White](https://m.media-amazon.com/images/I/41Tx49K0yOL.jpg)**Haiou 2 Pack Hat Washer Cage for Baseball Caps Adult and Kids Ball Caps White** Haiou**$14.24**4.4★3,249 reviews](https://www.amazon.com/dp/B0CWSNZRSD) [![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](https://m.media-amazon.com/images/I/51Jq3-B14RL.jpg)**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★7,408 reviews](https://www.amazon.com/dp/B0CTHCLP3G) [![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](https://m.media-amazon.com/images/I/51woT6gdJFL.jpg)**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★70 reviews](https://www.amazon.com/dp/B0GF1JDRRY) ## **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-Overall24% - Functionality-Overall10% - Advertised Vs Actual Product9% - Defective Material/Parts7% - Frame Quality6% - Quality-Overall5% - Value For Money4% - Strength4% - Shape/Style4% - Material Quality3%