Customer should read all nutrition facts, allergen safety warnings, directions and ingredients PRIOR to usage.. See outside of package for the exact "best by date", as date will vary based on date of purchase. Note that a "best by date" is NOT an "expiration date". Outer package design may vary from pictured. This wet cat food is formulated to meet the nutritional levels established by the AAFCO (Association of American Feed Control Officials) cat food nutrient profiles for growth & maintenance.