The advantages of paper sleeves are the protection from light and, unlike polyester sleeves, no extra storage containers are needed. Sleeves, whether polyester or paper, can be stored in folders or boxes. Acid-free, alkaline buffered boxes and folders will prevent acid from migrating from one item to the next. Some products on the market are available that act as a molecular sieve and remove acid from the air in the box. However, these containers must be kept airtight or they will lose their effectiveness.
Many products are available for archival storage.
The following list of suppliers is a good starting point for selecting sleeves and boxes. Catalogs can also be an important source of how-to information. If further assistance is needed, contact a conservator. Other Treasures, by Miriam Plans Barbara Sagraves works as Preservation Services Librarian at Dartmouth College Library. Saving the Past and the Present for the Future .