Cat food and treat set, chicken flavor. - Product Name: Oniku Seikatsu Chicken - Product Name: for AIM Chicken Flavor - Product Name: Churu Lactic Acid Period Crunchy Chicken Flavor The Oniku Seikatsu chicken flavor is unopened. The treats are individual pieces from an opened package. Therefore, I have listed them as "Like New". Regarding the expiration dates, please refer to the photos. Thank you for looking.