A foodsaver seal a meal would be suitable for some. The wife and I have discovered that ziplock bags work great. Not just for left overs either, example: We keep lemons in a ziplock bag sealed and in the refrigerator, it locks in the moisture and they are preserved. They stay juicy, last longer then if they were just left in the fridge or in a bowl left out on the counter. I would say they last about 4 weeks! And this is without a seal a meal food saver.
If you've had some lemons left in the fridge you have forgotten about then you know just leaving them out in the open or at room temps they hardened after a week.
Try the zip lock baggies they work great.