Avid Identification Systems FriendChip Suds Microchips provide permanent dog identification with PETtrac World Wide Recovery service registration included. Each 12 mm pet microchip comes in a convenient 5-pack with a registration form and collar tags for your dog’s collar. This dog identification chip option helps streamline pet microchip registration through PETtrac for easier owner lookup. Important: these microchips are not ISO and are not recognized by the Canadian Kennel Club (CKC).