Staples Notebooks<Arc System 1-1/2" Notebook Expansion Discs, Black, 12/Pack (20774)

Expand writing space, update calendar or planning sheets with these black notebook expansion discs. The 1.5-inch expansion contains up to 120 sheets for plentiful storage capacity, and sleek interchangeable discs prevent torn or wrinkled paper. These Staples notebook expansion discs let you customize notebooks to add, remove or move pages and incorporate indexes and other accessories.