Acceptable Shredding items: Paper, paper clips or staples, forms, manila file folders, envelopes (with or without window), large clasp envelopes, non-plastic pocket folders, expandable file folders, and documents that are bound must be separated before shredding.
Non-acceptable shredding items: Magazines, books, heavy cardboard, metal or plastic spiral binding, large metal binder clips, 3-ring binders, electronics like CDs, DVDs, diskettes, floppy disks, computer backups, and hard drives.