Sorry for all the questions lately everyone!

Charlie is fed on wainwrights dry food at the moment with a tiny bit of NatureDiet warmed up as a topper. He will only eat it this way and really enjoys his dinner times now

My question is NatureDiet says on the packet once opened eat within 48 hours! Charlie is never going to eat that whole thing in 48 hours when I only use it as a topper!

So I keep the food in the packet in a sealed sandwich bag, then put that in a sealed lunchbox and in the fridge. Any food he has I scrape it out and put it in a separate bowl to heat up.

Do you think this would be ok for a few days??