Keep track of every day of the year with this expanding desk file sorter. It features preprinted tabs from 1 to 31 & from January to December for multipurpose filing. Letter size holds 8-1/2" x 11" documents. Top & bottom reinforced gussets provide extra protection during daily use. Durable acrylic-coated cover helps resist moisture. Clear interior lets you easily see what is stored inside when you're accessing your records. Blue exterior helps conceal your information during transport.