Using this Whiskas wet cat food is a breeze. Simply open the single - serve pack and pour the pâté into your cat's bowl. There's no need to worry about leftovers, but if your cat doesn't finish a serving right away, you can store the open pack in the fridge for a short time. Make sure to cover it well to keep it fresh. Always provide fresh water alongside the food. Keep the unopened packs in a cool, dry place away from direct sunlight. Check the expiration date before feeding it to your cat.