[Suitable for All Doggies]: A dog anxiety relief collar fits all dogs, no matter what breeds, including senior and puppies dogs, small dogs, and big dogs, a friendly and thoughtful way to help doggies fit in new environments more easily
[Long-Lasting 60 Days & 4 Collars]: The dog calming collar adopts premium soft material and natural ingredients, does not irritate doggies, and keeps taking effect within 60 days, but after 60 days, we suggest replacing it with a new one (4pcs for one box). The calming collar for dogs anxiety and stress is waterproof, so there is no need to remove the calming dog collars when taking a bath or playing in the rain.