Halcyon K9 Calming Collar for Dogs Bags & Totes (jefferspet.com) Simply freeze it and strap

Simply freeze it and strap it on for effective cooling

Do not use if heat stake is not intact

riboflavin (vitamin B2)

it delivers reliable performance ride after ride

making it ideal for smoothing sharp points and correcting irregularities

Halcyon K9 Calming Collar for Dogs Bags & Totes (jefferspet.com) Simply freeze it and strapHalcyon K9 Collar Calming Support for Dogs The Halcyon K9 Collar contains a unique proprietary pheromone (2M2B) that has been clinically proven to help address a wide range of behavioral issues in dogs. When smelled by dogs, Halcyon helps reduce separation anxiety, sound anxiety (such as loud noises), and travel stress. Each collar provides continuous calming support for up to 30 days. Features a soothing lavender scent for added relaxation. Features: