Apple AirTags are one of the latest inventions by Apple to provide additional security to the devices of their customers. This AirTag works by using ultra-wide bandwidth to track your chosen device or Bluetooth.
Although meant to attach to your device, apple AirTags are not magnetics. Neither are they sticky, coming straight out of the box.
However, they are many diverse ways to attach your AirTag to the device of your choice. This includes Airtag the most popular item; keychains and rings which are made with silicone or leather. They simply provide you with a strap or a holder for you to attach your AirTag.
Again, you can use adhesive mounts specially designed for AirTags. These have a sticky side with serves as an adhesive to hold your AirTag.
Aside these, there are other options like using a duck tape or double-sided sticky tape, a sticky back velcro hook and loop, Command strips, Zip tie adhesive mounts, all purpose acrylic latex caulk plus silicone or you could just put the AirTag into a Zip Lock bag and attach the bag using your preferred method to the item you want to secure.