Tube Diet for Cats, Kidna, for Kidney Disease [20g x 5 packs] x 8 sets, Tube Diet Morinaga Sanworld Expiration date: March 2026. Please note. Last year, when Kidna wasn't widely available, I bought a large quantity when it was on sale. I am selling it because my beloved cat has passed away. I hope this will be helpful for cats that are fighting hard. Please refrain from reselling. *The box was opened for inspection.