Stickers are printed by a reputable company. They are durable, weatherproof, and dishwasher safe. Each sticker is printed on a thick, scratch-resistant vinyl with a protective laminate that is designed to withstand exposure to wind, rain, snow, and sunlight. They are fade resistant for 3 - 5 years.
Magnets are suitable from fridge to car. Some other surfaces include a magnetic dry erase boards, kitchen appliances, and school lockers. They are durable and will hold up to most weather conditions.