To use this cat food, simply open the 2.9 - ounce can and serve it to your adult cat. You can feed it as a standalone meal or mix it with other cat foods. Make sure to provide fresh water at all times. Remember, this food is for adult cats only. Don't feed it to kittens, pregnant, or nursing cats. Store the unopened cans in a cool, dry place. Once opened, keep the remaining food in the fridge and use it within a couple of days.