Rodent Stop Exclusion Paste. Animal-friendly barrier paste. Is used to seal seams, cracks and holes to prevent ingress from rodents and other pests. Contains no pesticides, is instantanly waterproof, indoor or outdoor applicaitons. Can be paintable after 48 hours. Metal reinforced and metal detectable. Exempt from FIFRA registration or Federal Insecticide, Fungicide and Rodenticide Act. It is a blend of vegetable oils, fillers, EPS beads and metal fibers.