Hartz Chews 'n' Tudent S - 5 pieces per pack - 2 sets Expiration Date: 2026.07 New, unopened. I bought a lot, but they were too big for my dog, so I'm selling them. Please understand that these are stored at home. Please check the images and confirm before purchasing. Returns are not accepted to prevent product switching. Also, please read the notes in my profile. Thank you.