One Shoo!TAG for flies and one Shoo!TAG for mosquitoes included; When using both tags, please cut one tag on the dotted line to allow the magnetic strip on both tags to face your pet * Shoo!TAG is the ultimate solution for protecting your pets from targeted pests * Shoo!TAG uses no harmful chemicals, is odor-free, waterproof and is safe for pets, people and the Planet * Shoo!TAG is easy to use; simply remove from the packaging and attach to your pet?s collar with the provided split ring, with the magnetic strip facing your pet. * The key to Shoo!TAG is the three dimensional electromagnetic static field embedded in the magnetic strip