Keep Off! Repellent For Cats & Kittens Four Paws Keep Off Repellent will repel cats for up to 24 hours when applied daily. For use Indoors and Outdoors. Keep Off Repellent For Cats and Kittens is a perfect aid for training cats to stay off furniture, draperies, counters, table tops and more Helps keep cats away from houseplants, outdoor plants and other undesirable areas Repels cats for up to 24 hours when applied daily Safe and effective for use indoors and outdoors