Four Paws Keep Off! Cat & Kitten Repellent Spray 16oz Four Paws Keep Off Repellent is the perfect aid for training cats and kittens to stay off furniture, draperies, counters, table tops, household plants, outdoor shrubbery and more. Repels cats for up to 24 hours when applied daily. Safe & effective indoors and outdoors 16oz Pump Spray (473ml).