All XCLUDER™ products are made from coarse stainless steel and poly fibers to form a highly resilient and impenetrable barrier against rodents and pests. Rodents cannot chew or push through XCLUDER™ which is 100% non toxic and harmless to the environment. North Shore Commercial Door offers Xcluder pre-installed on garage door bottom weatherseals, entry door sweeps, and in kit form so you can install it on existing garage doors or any other place that you need protection from rodents.