Eligible for ground shipping within the contiguous US. Excludes products over 36”.

Refer a friend and get $50 when they make a purchase.

Refer a friend



Eligible for ground shipping within the contiguous US. Excludes products over 36”.

Refer a friend and get $50 when they make a purchase.

Refer a friend



Eligible for ground shipping within the contiguous US. Excludes products over 36”.

Refer a friend and get $50 when they make a purchase.

Refer a friend


Car Door Magnets

Premium car door magnets in custom styles, shapes and sizes, tested for wind-resistance at 80mph under normal weather conditions.
Standard Size:
Custom Size:

Price Total:

About Product
Specification And Usage


Excel at non-stop advertisement or give a fresh look to your car with customizable car door magnets. Apply them to any vehicle and magnetize crowds of people on your way. These displays are relevant to all types of industries and will help you showcase your cause 24/7.

Check out our custom car magnets to find products suitable for other car parts.  We deliver our products all across the US and Canada. We also offer free shipping on products under 36" and over $85 within the contiguous US.

Square Signs combines high quality UV inks and world-class printers with years of experience to produce custom car door magnets resistant to moisture and different weather conditions.

Magnetic Car Door Signs by Vehicle Type

Raise your brand awareness with custom vehicle door magnets. These durable displays perform the role of a moving signboard, showing off your brand image all over town. Magnetic door signs for trucks, cars or vans are practical marketing tools that can magnify your visibility at an extremely low cost. 

  • Car Door Magnets

Easy-to-apply and safe for your car paint, this reusable signage will serve its purpose for years to come. Whether on your way home or at a parking lot, it will convey your message without much ado. Business car door magnets can be applied to various types of vehicles made of steel and other magnetic metals.

Please note: The max speed tested for vehicle magnets is 80mph. Take this into account if you want to decorate race cars with numbers.

  • Custom Truck Door Magnets

If you have a truck, large car door magnets are what you need. With the ample space at your disposal, you can share more information on a single display. Adding details like images and contact information to your truck door magnets will make it easier to appeal to a larger audience.


Car Door Magnets by Usage

This product is distinguished for its wide sphere of usage. From small businesses to large organizations, companies use the displays to get noticed everywhere they go. The signs have two main purposes: promotional and informational. 

  • Promotional

Good advertisement is key to any successful business - yet, it can be costly. If you’re looking for an inexpensive and effective marketing means to establish your brand voice, magnetic car door signs are the right solution. Win the local market with gorgeous prints of your products, services and specials. Advertise in style on a minimal budget using our car or truck door magnets.

  • Informational

Though these magnetic signs are mostly used for promotional purposes, they’re also practical for informative use. For instance, if you represent a sports club and want to recruit devoted fans to your cause, custom car door magnets are an ideal solution for displaying your contact information. You’ll be getting calls from all over town after a big game. The product has great print quality, ensuring your message gets across for a long time.


Car Door Magnet Signs by Shape

We offer the following 5 cutting options for our standard car door magnet printing.

  • Rounded

Car magnets with rounded edges are ideal for vehicles due to their aerodynamic properties. With this cutting option, the sign edges will be rounded at a 1/4"-1/2" radius, giving it a more elegant look. Note: This is our default option and can be changed in the toolbar.

  • Square/Rectangle Cut

This cutting option makes car door advertising magnets of a standard square or rectangle shape with sharp edges in your selected size.

  • Round/Oval Cut

This brand-new cutting option for custom car door magnet signs will capture everyone’s attention! If your car door magnet designs won’t fit into a circle, choose the elliptical shape.

  • Outline Cut

This is the perfect choice for custom, edge to edge cutting in the exact design outline of your magnetic advertising car door signs. 

  • Overline Cut

The overline cutting of magnetic car door signs is similar to the outline option, only with an extra 1/4" - 1/2" white border around your design to make it stand out.


Car Door Magnet Sizes 

car magnet chart with popular sizes in reference to a small SUV

Make sure to carefully measure the surface section of the vehicle you intend to stick the magnet on. Car door magnets of 12x24, 18x12, 24x18 and 36x18 inches are the most popular. If you don’t see the size that fits your needs, you can create your own custom sign in our design platform.

Design Tips

After sorting through all the technical aspects, it’s time to design your own car door magnets. Create your car or truck door magnets to reach thousands around town. Highlight the information you share with compelling prints and graphics. Get creative with our sign design tool to make a personalized car magnet with the help of our ready-made templates. Ensure optimal effectiveness by sticking to your cause and displaying only key information on your business car door magnets

Please note: Larger door magnets are delivered rolled up. For quality adherence, place them on a horizontal metallic surface to flatten out for several hours prior to application.


Car Door Magnet Sizes and Related Products 


Car Door Magnets

Car Decals

Car Window Decals

Perforated Car Window Decals

Size Range: 

4"x4" - 96"x48"

6"x6" - 58"x1680"

6"x6" - 58"x1680"

6"x6" - 52"x1680"

Price Range:

$14.17 - $371.26

$22.99 - $2,225.39

$22.99 - $2,225.39

$12.41 - $3,061.97



Single-sided, second-surface

Single-sided, second surface for clear vinyl

70% print - 30% perforation


3+ years

1+ year

3+ years

3+ years



How do you install custom car door magnets?

Installation of car magnets is simple. There are only a few key steps for you to follow to ensure smooth application.

Can I reuse my car door magnet?

Our door magnets can be reused multiple times. Easily removable, they leave no stains or residue and can be used again and again.

Is there a minimum order quantity?

There is no minimum or maximum order quantity for orders on our site. We do recommend getting 2 magnets to display your message from both sides of the car.

Can I upload my own images and artwork? 

Yes, you can! Our sign-making tool offers you the option to upload your own files. You can use them as they are or restyle them before you move on to technical specifications.

Can a car door magnet be applied to other parts of the vehicle?

Yes, as long as you have a flat and metallic surface that’s magnetic. 

What’s the most popular size for magnetic door signs for trucks?

In general, large magnetic car door signs are used for trucks. The most popular sizes are the car door magnets of 18x24 and 36x18.