Is important!
You need to make sure that the method you choose will keep your
negatives flat and safe from damage. The cheapest way may not be the
best course to take in the long run.
You can buy loose
leaf pages in plastic or paper divided into six for 35mm film which
will hold thirty-six frames cut into lengths of six. They have a
white edge with ring binder holes that allow you to store the pages
in albums/ folders or box folders. (I think the latter is the better
solution from experience.) The white edge also means that you can
write details on it like the method of development and/or a serial
number, this will help you together with a contents list at the front
of the album/folder to give you access to your negatives instantly.
The same type of
leaves are used for medium format negatives 6x4.5 and 6x6. They are
divided into four and the negatives are cut into lengths of four and
three respectively.
It is important
that the negatives are completely dry, before you load them into the
storage leaf otherwise they will stick making it impossible to slide
them in. If you still have trouble inserting them when they are dry
you can snip off the corners of the leading frame of each strip.