They are not designed for long term preservation. Wood boxes Chemical migration Line the box with an acid-free liner if the box must be used. Better to use an acid-free box instead. Same as for wood boxes. Glue Unknown chemicals Use only archivally recognized glues which have proved to be safe and have unergone testing.
Most adhesives migrate into the paper fibers and are almost impossible to remove.
They cause the fibers to become brittle. They stain the paper. Soft lead pencil is best. Soft lead pencil is best. Labels Adhesive Same problem as with tapes.