NWT "The Navigator" Convertible Cat Backpack - For Adventurous Cats and Humans Adventure is out there. Go find it with “The Navigator” Convertible Cat Backpack! This cat backpack is the perfect backpack for hikers, outdoor lovers, and adventurers. It’s also great for basic travel needs like trips to the vet and car rides and gives your cat plenty of visibility to watch the world go by. Brandnew with box Perfect for large cats, small dogs, ferret’s bunnies etc