Juicy Chewy PURINA FELIX is a range of delicious meals specially prepared with tender meaty pieces in a succulent jelly which look and smell so meaty, it looks like food you might have cooked yourself. Specially formulated by PURINA veterinarians and nutritionists, PURINA FELIX Adult Cat with Chicken in Jelly contains the essential nutrients and key ingredients to help your adult cat maintain a healthy and active lifestyle.