Ziplock bags are manufactured by many different companies. S C Johnson and Sons manufactures most ziplock bags. Ziplock makes bags for sandwiches as well as freezer ziplock bags.

It is best to put it in a ziplock bag, and put it in the freezer

yes but make sure you use a freezer safe ziplock

Yes. Both cooked and uncooked. Use freezer bags or ziplock freezer containers, you can keep it for months that way.

For freezer storage, I just cut them up and put them in Ziplock bags. They can be used in smoothies and baked goods.