Kaytee exact Rainbow Cockatiel food is a premium extruded food and has been the recognized nutritional leader by avian nutritionists, veterinarians and breeders since its introduction over 25 years ago. Each nugget contains "exact nutrition" ensuring your bird gets exactly the right nutrition to produce better feathering, brighter colors and maintain excellent health. exact Rainbow is 100% consumable with no seed hulls or shells for less mess