Beaphar Calming Collar for Cats and Dog (Up To 6 Weeks Cover / Reduces Stress)Beaphar Calming Collar for cats & dogs effectively reduces problem behavior arising from stressful situations in cats & dogs of all breeds, sizes, and ages. Using Valerian and Lavender which are often used in human healthcare. How to use: Fasten the collar ensuring a comfortable fit so that two fingers can be inserted between the collar and neck. If fitted to a growing pet remember to loosen the collar regularly. Cut off any excess collar and dispose