Catlog Board First Generation - 2 items Catlog Home First Generation - 1 item, Second Generation - 1 item Catlog Belt Set - Authentic - 3 items Scrunchies are all size M, authentic Used for about 3 years. There is some wear and tear, but I think they are still in good condition. However, they are not new, so please understand. You can start using them immediately by registering the devices with the app. I also changed the collars depending on my mood, and they can be used by those with multiple pets.