The Garage Door Rodent Guard is a V shaped piece of metal that is specifically designed to be secured to the garage door weather seal at the base where the seal meets the ground. Rodents/Mice will be unable to chew through the metal, stopping entry of unwanted pests. This Humane/Green product is ideal for must "Garage Doors". Install the Guard on doors to save $$$ in parts/repairs. "Prevention is Everything" THIS IS NOT a stick on band-aid, this is a permanent fix for a very large problem!