• Calming collar is activated by body heat to release a calming pheromone, even when outside.
• Ideal for adoption, puppy socialization, training, traveling, crating, kenneling or boarding.
• Also helps with loud noises such as thunderstorms or fireworks, separation anxiety or any stress-triggering situations.
• Each collar lasts up to four weeks; for best results keep the collar on continuously.

Small - up to 14.7"

Large - up to 24.6"