collar size chart:
we highly recommend you measure your dog's neck to ensure an accurate size. we do understand that it isn't always possible so here is an estimate on sizing for dogs. do understand that not every dog is the same and sizing may vary by each dog.
how to measure your dog's neck:
you want to take the measuring tape and wrap all the way around your pet's neck. correct sizing should allow enough room for two fingers between the neck and the tape.