Magnetic Key Holder Box – Waterproof, Rustproof Under Car Hide
Magnetic Key Holder Box – Waterproof, Rustproof Under Car Hide
Never Get Locked Out Again — Magnetic Key Hider Box
The Mini Magnetic Key Holder Box is your ultimate backup plan. Featuring dual neodymium magnets with up to 50 lbs of separation force, this compact, weatherproof box attaches securely to any clean metal surface — under your car, truck, boat, cabinet, or wherever you need a discreet hiding spot. Made in Mainland China.
Why You'll Love It
- Super-Strong Dual Magnets: 2 powerful neodymium magnets hold firm even at highway speeds and over rough terrain, so your hidden key or valuables stay right where you left them.
- Fully Waterproof & Sealed: The well-sealed PC + ABS enclosure can be completely submerged in water — rain, mud, puddles, and car washes are no problem at all.
- Rustproof & Weather-Resistant: Built to endure extreme weather conditions while keeping the contents inside completely protected and unaffected.
- Signal-Friendly Design: Will not interfere with Bluetooth, cellular, or GPS signals — perfect for storing a GPS tracker alongside a spare key.
- Multifunctional Storage: Slim and versatile enough to store spare keys, a small GPS locator, batteries, pills, or other small valuables.
- Easy One-Hand Attachment: Simply press it onto any clean metal surface — car chassis, truck frame, boat hull, toolbox, safe back, and more.
- Discreet & Concealed: Low-profile design keeps your valuables hidden in plain sight.
Product Specifications
| Material | PC + ABS + 2 Neodymium Magnets |
| Magnetic Suction Force | 50 lbs separation force |
| Waterproof | Yes — fully submersible seal |
| Signal Interference | None (Bluetooth, GPS, cellular compatible) |
| Country of Origin | Made in Mainland China |
Ideal Uses
- Spare car, truck, or home key storage
- GPS tracker housing under a vehicle
- Small battery or accessory storage outdoors
- Boat, RV, or off-road vehicle backup key box
- Toolbox or cabinet concealed storage
Safety Tip
For best adhesion, always attach the key holder to a clean, dry, flat metal surface. Avoid painted or coated surfaces where magnet grip may be reduced. For vehicle use, see general vehicle safety guidelines at CPSC.gov.
Frequently Asked Questions
Q: Will this magnetic key holder box stay attached at highway speeds?
A: Yes! The dual neodymium magnets provide up to 50 lbs of separation force, keeping the magnetic key holder firmly attached to your car or truck chassis even at high speeds and over rough or uneven terrain.
Q: Is the key hider box truly waterproof?
A: Absolutely. The waterproof key box features a well-sealed PC + ABS enclosure that can be completely submerged in water, making it ideal for outdoor use in all weather conditions — rain, mud, snow, and car washes included.
Q: Will the magnetic key holder interfere with my GPS tracker or Bluetooth device?
A: No. This key hider box is specifically designed to be signal-friendly and will not block or interfere with GPS, Bluetooth, or other communication signals — making it a great housing for a GPS locator alongside a spare key.
Q: What surfaces can I attach the magnetic key box to?
A: The key holder attaches to any clean, flat metal surface including car and truck chassis frames, boat hulls, metal cabinets, toolboxes, and safes. For best results, ensure the surface is clean and free of dirt or grease before attaching.