Sentry 30 Day Calming Collar for Cats, Lavender & Chamomile

Pheromone technology is proven to modify stress behavior such as inappropriate marking, excessive meowing and scratching.
Mimics the pheromone that the mother cat produces to calm and assure her kittens.
Convenient alternative to pheromone diffusers - the collar goes where your cat goes!
Soothing lavender chamomile fragrance.
Lasts up to 30 days.