---
title: "Magnetic Key Holder Under Car — $477K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/magnetic-key-holder-under-car"
last_updated: "2026-08-07T16:16:43.351Z"
locale: en
meta:
  description: "Niche score 53/100 · $477K/yr market · 373K searches/yr. A concentrated shelf (top 5 take 68% of clicks) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 53/100 · $477K/yr market · 373K searches/yr. A concentrated shelf (top 5 take 68% of clicks) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Magnetic Key Holder Under Car — $477K/yr Amazon US Niche (2026) - Flapen"
---

# **magnetic key holder under car**

**Worth a look**

Shows searches that convert (11.9% search→purchase), but a concentrated shelf (top 5 take 68% of clicks) keeps it on the watch list.

Market size 59Growth 40Conversion 95Competition 28Returns 89Price range 29Avg price 40Brand share 52Review moat 39Quality gap 55

**Conversion**

**Great****11.9%**

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

**Returns**

**Great****1.3%**

return rate — above 5% kills the launch gate

**Market size**

**Good****$477K**

$477K/yr · 373K searches

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Brand share**

**Good****74%**

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

**Growth**

**Okay****+11.8%**

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

**Avg price**

**Okay****$10.74**

avg listing price — sweet spot $15–$100

**Review moat**

**Okay****2,571.37**

avg incumbent reviews — the moat a new listing must climb

**Price range**

**Okay****$4.69–$19.14**

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

**Competition**

**Okay****68%**

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

According to Flapen's Amazon United States niche tracking, magnetic key holder under car is a $477K/yr Amazon United States market (373K searches/yr). The top 5 brands hold 74% of demand. Verdict: Worth a look — 53/100.

Data updated Jul 9, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **magnetic key holder under car market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**40K–50K**</dd><dd>avg 2,000–2,500/product</dd>

<dt>**Revenue / yr**</dt><dd>**$430K–$537K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**11.9%**</dd>

<dt>**Avg BSR**</dt><dd>**#501**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**74%**</dd>

<dt>**Out of stock**</dt><dd>**0.8%**</dd>

<dt>**Avg brand age**</dt><dd>**49 months**</dd>

<dt>**Avg seller age**</dt><dd>**159 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products take 68% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**15 **▼falling

**Sellers**

**66**

**Top-5 brand share**

**74%**

Top 20: 100%

**Top-5 click share**

**68%**

Top 20: 100%

**Open market**

**21%**

- Master Lock25% - TOSICAM22% - ALAZCO13% - RamPro7% - IIT6% - Lucky Line6%

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — +11.8% search growth over the last 90 days.

8K6K seasonSepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.2×

[**Open Trend **](https://flapen.com/research/us/automotive/magnetic-key-holder-under-car/trend)

## **Top magnetic key holder under car search terms**

- **magnetic key box for under car**78K/yr+82.9%12.6% conv. - **magnetic key box**83K/yr-23.8%9.9% conv. - **magnetic hide a key**33K/yr+22.0%11.9% conv. - **hide a key magnetic**29K/yr+27.6%11.1% conv. - **magnet key box**26K/yr+6.2%10.8% conv. - **magnetic key hider**25K/yr-15.9%9.8% conv. - **key magnet for under car**16K/yr+15.4%9.6% conv. - **magnetic hide a key box**13K/yr-26.2%11.6% conv. - **spare key magnetic box for car**9K/yr+8.7%9.6% conv. - **car hide a key**9K/yr+19.8%7.6% conv. [**All search terms **](https://flapen.com/research/us/automotive/magnetic-key-holder-under-car/search-terms)

## **Top magnetic key holder under car 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.

0%10%$48K20%$95K30%$143K40%$191K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

[1![Master Lock Magnetic Key Holder 1 Pack Black](https://m.media-amazon.com/images/I/31ndIf7NrOL.jpg)**Master Lock Magnetic Key Holder 1 Pack Black**Master Lock**$4.75**4.5★12,967 rev](https://www.amazon.com/dp/B003WXGLS2) [2![Magnetic Key Box Hide A Key Holder Under Car Magnetic Key Storage Waterproof Hidden Key Box for Outside Car Key Hider Magnet for Vehicles Travel (MM1 Regular)](https://m.media-amazon.com/images/I/41X1pE0DpGL.jpg)**Magnetic Key Box Hide A Key Holder Under Car Magnetic Key Storage Waterproof Hidden Key Box for Outside Car Key Hider Magnet for Vehicles Travel (MM1 Regular)**TOSICAM**$10.19**4.6★1,006 rev](https://www.amazon.com/dp/B0CSKLF185) [3![2 Hide A Key Magnetic Under Car Spare Key Holder So You Never Locked Out of Home Shed RV Boat Truck Office Storage Large ABS Case Key Hider Small Valubles Premium Magnet By ALAZCO](https://m.media-amazon.com/images/I/41JN6OnIslL.jpg)**2 Hide A Key Magnetic Under Car Spare Key Holder So You Never Locked Out of Home Shed RV Boat Truck Office Storage Large ABS Case Key Hider Small Valubles Premium Magnet By ALAZCO**ALAZCO**$8.52**4.6★1,318 rev](https://www.amazon.com/dp/B00NKYDH5I) [4![IIT 17920 Magnetic Hide Key 3-Piece](https://m.media-amazon.com/images/I/51ByxMHwPxL.jpg)**IIT 17920 Magnetic Hide Key 3-Piece**IIT**$6.25**4.4★1,364 rev](https://www.amazon.com/dp/B001DT2ZCI) [5![RamPro Hide A Key Magnetic Key Holder Under Car - Hide A Key for Your Car So You Never Lock Out - Plastic Magnet Key Hider to Store a Spare for Your Home Storage Office or Vehicle - 3 pack](https://m.media-amazon.com/images/I/41IYFPI6ddL.jpg)**RamPro Hide A Key Magnetic Key Holder Under Car - Hide A Key for Your Car So You Never Lock Out - Plastic Magnet Key Hider to Store a Spare for Your Home Storage Office or Vehicle - 3 pack**RamPro**$9.53**4.2★5,802 rev](https://www.amazon.com/dp/B01M3Y32HZ)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Hide A Key Magnetic Key Holder (3 Pack) Under Car Key Hider with Strong Magnet Weather-Resistant Plastic Case for Spare Keys Secure Storage for Vehicle Home Garage or Office](https://m.media-amazon.com/images/I/41LCZT3ho-L.jpg)**Hide A Key Magnetic Key Holder (3 Pack) Under Car Key Hider with Strong Magnet Weather-Resistant Plastic Case for Spare Keys Secure Storage for Vehicle Home Garage or Office**Bexter**$5.76**10 rev2mo ago](https://www.amazon.com/dp/B0GY62Q2YD) [![3xN52 Magnetic Key Lock Box Magnetic Key Holder Magnet Key Box for Under car Hide a key with 10000+ Secure Combinations with Strong Magnet for Storage Indoors Outside](https://m.media-amazon.com/images/I/4190RaKi2tL.jpg)**3xN52 Magnetic Key Lock Box Magnetic Key Holder Magnet Key Box for Under car Hide a key with 10000+ Secure Combinations with Strong Magnet for Storage Indoors Outside**TOSICAM**$19.14**1,006 rev9mo ago](https://www.amazon.com/dp/B0FR9RT4B6) [![2Pack Magnetic Key Box Hide A Key Holder Under Car Magnetic Key Storage Waterproof Hidden Key Box for Outside Car Key Hider Magnet for Vehicles Travel (MM1-2 Regular)](https://m.media-amazon.com/images/I/41qJ2hWHtKL.jpg)**2Pack Magnetic Key Box Hide A Key Holder Under Car Magnetic Key Storage Waterproof Hidden Key Box for Outside Car Key Hider Magnet for Vehicles Travel (MM1-2 Regular)**TOSICAM**$18.05**1,006 rev10mo ago](https://www.amazon.com/dp/B0FP446LFW) [![Riomhorry Magnetic Key Holder for Car Hide a Key Outside Magnetic Key Box Waterproof Secure Car Key Case with Strong Magnets for under Car Outdoor Travel Spare Key Hider for Home](https://m.media-amazon.com/images/I/41PYPaFPzpL.jpg)**Riomhorry Magnetic Key Holder for Car Hide a Key Outside Magnetic Key Box Waterproof Secure Car Key Case with Strong Magnets for under Car Outdoor Travel Spare Key Hider for Home**Riomhorry**$9.00**281 rev1y ago](https://www.amazon.com/dp/B0FCMBFS8F) [![RamPro Hide A Key Magnetic Key Holder Under Car - Hide A Key for Your Car So You Never Lock Out - Plastic Magnet Key Hider to Store a Spare Key for Your Home Storage Office or Vehicle (2 Pack)](https://m.media-amazon.com/images/I/41Npw7uCDUL.jpg)**RamPro Hide A Key Magnetic Key Holder Under Car - Hide A Key for Your Car So You Never Lock Out - Plastic Magnet Key Hider to Store a Spare Key for Your Home Storage Office or Vehicle (2 Pack)**RamPro**$8.51**5,802 rev1y ago](https://www.amazon.com/dp/B0F2JBFV5R)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Hide A Key Magnetic Key Holder (3 Pack) Under Car Key Hider with Strong Magnet Weather-Resistant Plastic Case for Spare Keys Secure Storage for Vehicle Home Garage or Office](https://m.media-amazon.com/images/I/41LCZT3ho-L.jpg)**Hide A Key Magnetic Key Holder (3 Pack) Under Car Key Hider with Strong Magnet Weather-Resistant Plastic Case for Spare Keys Secure Storage for Vehicle Home Garage or Office**Bexter**$5.76**4.3★**▲ 239%**](https://www.amazon.com/dp/B0GY62Q2YD) [![2Pack Magnetic Key Box Hide A Key Holder Under Car Magnetic Key Storage Waterproof Hidden Key Box for Outside Car Key Hider Magnet for Vehicles Travel (MM1-2 Regular)](https://m.media-amazon.com/images/I/41qJ2hWHtKL.jpg)**2Pack Magnetic Key Box Hide A Key Holder Under Car Magnetic Key Storage Waterproof Hidden Key Box for Outside Car Key Hider Magnet for Vehicles Travel (MM1-2 Regular)**TOSICAM**$18.05**4.6★**▲ 179%**](https://www.amazon.com/dp/B0FP446LFW) [![3xN52 Magnetic Key Lock Box Magnetic Key Holder Magnet Key Box for Under car Hide a key with 10000+ Secure Combinations with Strong Magnet for Storage Indoors Outside](https://m.media-amazon.com/images/I/4190RaKi2tL.jpg)**3xN52 Magnetic Key Lock Box Magnetic Key Holder Magnet Key Box for Under car Hide a key with 10000+ Secure Combinations with Strong Magnet for Storage Indoors Outside**TOSICAM**$19.14**4.6★**▲ 122%**](https://www.amazon.com/dp/B0FR9RT4B6) [![Riomhorry Magnetic Key Holder for Car Hide a Key Outside Magnetic Key Box Waterproof Secure Car Key Case with Strong Magnets for under Car Outdoor Travel Spare Key Hider for Home](https://m.media-amazon.com/images/I/41PYPaFPzpL.jpg)**Riomhorry Magnetic Key Holder for Car Hide a Key Outside Magnetic Key Box Waterproof Secure Car Key Case with Strong Magnets for under Car Outdoor Travel Spare Key Hider for Home**Riomhorry**$9.00**4.6★**▲ 67%**](https://www.amazon.com/dp/B0FCMBFS8F) [![Magnetic Key Box Magnetic Key Holder Under Car Hide a Key Magnetic Car Waterproof Key Holder Hider Key Case for Outside Travel Hide a Key Box for Cars SUV Truck - Black (Black 2 Magnets 2Pack)](https://m.media-amazon.com/images/I/41L9Eue3wqL.jpg)**Magnetic Key Box Magnetic Key Holder Under Car Hide a Key Magnetic Car Waterproof Key Holder Hider Key Case for Outside Travel Hide a Key Box for Cars SUV Truck - Black (Black 2 Magnets 2Pack)**TAMIDN**$15.03**4.6★**▲ 49%**](https://www.amazon.com/dp/B0CP1NW75M)

**~~View all trending →~~**

## **What buyers say about magnetic key holder under car**

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

### **What buyers love **

**Magnetic Strength/Adsorption**32%

*“Magnet holds well”*

**Quality-Overall**12%

*“Excellent product”*

**Strength**8%

*“Sturdy, with strong magnets”*

**Advertised Vs Actual Product**6%

*“As advertised”*

**Size-Overall**6%

*“Seems like its a good tight fit”*

**Value For Money**5%

*“worth the money”*

**Locking Mechanism**4%

*“Lockbox great quality”*

**Ease Of Use**3%

*“easy to use”*

**Water Resistance**3%

*“They appear to be completely waterproof with extremely strong magnets”*

**Storage Capacity**2%

*“Perfect storage”*

### **What buyers complain about **

**Size-Overall**16%

*“This box is smaller than it looks”*

**Magnetic Strength/Adsorption**15%

*“Weak magnet”*

**Ease Of Use**13%

*“unable to use”*

**Quality-Overall**12%

*“Product quality not worth the price at all”*

**Durability**8%

*“Will break”*

**Material Quality**3%

*“Cheap thin plastic”*

**Value For Money**2%

*“could have been less expensive”*

**Advertised Vs Actual Product**2%

*“Entire Advertising Lie”*

**Locking Mechanism**2%

*“the hinges were very prone to opening on their own”*

**Strength**1%

*“not that strong”*

### **Top return reasons **

**Size-Overall**56%

**Magnetic Strength/Adsorption**12%

**Advertised Vs Actual Product**4%

**Ease Of Use**4%

**Functionality-Overall**3%

**Defective Material/Parts**3%

**Locking Mechanism**2%

**Adhesion/Stickiness**2%

**Compatibility-Overall**2%

**Quality-Overall**2%

## **Common questions**

<dl>

<dt>**Is magnetic key holder under car profitable to sell on Amazon United States?**</dt><dd>The niche generates $477K/yr across 19 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is +11.8%. Flapen's verdict: Worth a look (53/100).</dd>

<dt>**How competitive is the magnetic key holder under car niche?**</dt><dd>15 brands and 66 sellers compete. The top 5 products take 68% of clicks and top 5 brands hold 74% of demand.</dd>

<dt>**What do buyers complain about in magnetic key holder under car?**</dt><dd>Top complaints mined from reviews: Size-Overall, Magnetic Strength/Adsorption, Ease Of Use. The return rate is 1.3%.</dd>

<dt>**When does demand for magnetic key holder under car peak?**</dt><dd>Demand is steady year-round — the busiest month runs 1.2× the quietest.</dd>

<dt>**What does it cost to enter the magnetic key holder under car niche?**</dt><dd>Listings span $4.69–$19.14; the average listing price is $10.74 (sweet spot $15–$100). The average incumbent carries 2,571 reviews — the moat a new listing must climb.</dd>

</dl>

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