Keeps and protects your loose documents and photos. Pocket expands 1/2" to hold up to 100 sheets of letter-size paper, notes, or other accessory items. Archival-safe for all documents and photos – will not lift or transfer inks. Pockets are 3-hole-punched to fit any standard 3-ring binder. Assorted zipper colors: Blue, Black, Red, Purple, Green, 5 pack.