Feeding your cat this Hill's Science Diet Adult Tender Ocean Fish Dinner is easy. Just open the 5.5 oz can and serve it at room temperature. You can put it in your cat's bowl and watch them enjoy. For adult cats aged 1 - 6, follow the feeding guidelines on the package based on your cat's weight. Make sure your cat always has access to fresh water. Remember, this food is not for kittens or pregnant/nursing cats. If your cat has any special health conditions, it's a good idea to consult your vet before feeding. Store the unopened cans in a cool, dry place. Once opened, cover the can and refrigerate any leftovers, and use them within a couple of days.