You can store a sandwich in a plastic container with a lid or in a sandwich bag or zip-lock bag.
It might depend on what you have in your sandwich and how big your bag of chips is.
A sandwich
It rots faster in a container because a sandwich bag holds the moister in.
The best bag to keep your sandwich fresh is usually a zip lock bag. This allows the sandwich to stay fresh, and putting a bottle of cold water next to it usually helps as well.
I normal Tupperware container lasts the longest. Second longest would be a fold over sandwich bag. The quickest is the Ziploc sandwich bags.
Reuben the ginger kid did.
This Sandwich Has No Mayonnaise was created in 1947.
The garbage bag was first created in 1942 in Canada. Harry Wasylyk was the creator of the trash bag.
Dick Sandwich was created in 1993.
Subliminal Sandwich was created in 1996.
Sandwich - album - was created in 2009.