Are custom magnets weatherproof?

Yes. Custom magnets work indoors and out. The printed surface holds up to rain, sun, and temperature swings, so they suit vehicle signage and outdoor promotions. For long outdoor stretches, lift the magnet now and then, wipe it and the surface, and let both dry.

How custom magnets hold up outdoors

The print on a custom magnet is made to handle rain, sun, and temperature changes in normal outdoor use, so it stays readable through freezing winters and hot summers. It works well for car door signage, equipment labels, and events. Since it peels off clean, the same magnet can move between vehicles or come off between events. For cars, see whether magnets work on cars.

Keeping outdoor magnets looking sharp

Left outside for a while, lift the magnet now and then, wipe both it and the surface, and let everything dry before putting it back. That clears trapped moisture, the main thing that wears a magnet or marks the panel under it. Thicker stock lasts longer outdoors, so check how thick custom magnets are.

How long a magnet lasts depends on conditions. Indoors it lasts for years with no real wear. Outdoors it varies with weather and use, but two to three years is a good estimate, and lifting and drying it now and then helps it last longer.

Related questions

More about using custom magnets outdoors.

The printed surface resists sun fading, so outdoor magnets stay sharp through normal use. Cleaning and drying them periodically keeps both the print and the surface underneath in good shape.
Indoors, for years with no real wear. Outdoors it depends on weather and how the magnet is used, but two to three years is a good rule of thumb. It varies case by case, and lifting and drying it now and then helps it last longer.
Yes. Custom magnets stick to flat or gently curved steel car panels like doors and tailgates, but not to aluminum or fiberglass, so test the spot with a fridge magnet. See which car panels work.
Custom magnets are 1mm thick, about twice as thick as most budget magnets, so they lie flat and feel solid while still bending for curves. See why thickness affects hold.
Design at the final size with bleed, keep text inside the safe margin, and use 300 DPI artwork in CMYK. See how to set up your file.