what is the different between Flannel Fabric Felt Fabric? They look the same to me
Cling warp then, keep the sandwich in a cool place to prevent it becoming mouldy.
Sandwich bag or aluminum foil
Cling wrap would be a better choice for this sandwichCheese will dry out and so will the breadAluminum is fine but you can't see through itSounds silly, but it reminds you of what you have in thereSame thing for mold.
Flannel is woven from cotton or woolFelt is wool (or synthetics) that has been boiled and dyed, then stretched to fit a certain shape.