IAMS PERFECT PORTIONS Grain Free Healthy Adult Cat Food allows you to feed your cat wet food without the mess of leftovers in your refrigerator, so your cat gets a fresh meal every time. IAMS PERFECT PORTIONS Grain Free Healthy Adult Cat Food is the hearty cat food you and your pet love because it provides the best of both flavour and nutrition. Our wholesome cat food is made with vitamin E to aid your cat's immune system.