Sentry Good Behavior Calming Spray for Cats uses natural ingredients to help your kitty maintain calmness in stressful situations. Suitable for use with all ages and breeds, it helps cats and kittens cope with short-term stressful situations, including things like travel, vet trips, environmental changes, and more. Just one small spray helps your pet relax and feel better to promote more balanced behavior. For more than a decade, Sentry has worked side by side with leading pet experts and top universities researching effective ways to help pets lead happier, less stressful lives.