Grab some pre-punched paper to go along with your pre-punched covers to make the perfect project! Pre-punched sheets designed to work with ProClick spines make it easy to complete your project by hand. Sheets are pre-punched with 32 holes. Designed to work with ProClick or WireBind binding systems. ProClick spines offer ultimate convenience theyre easy to open and close by hand, making it fast and simple to edit or rearrange your work, even at the last minute. Strong, 24 lb. bond paper, 96 bright. Sheets measure 8.5" x 11". Includes 250 sheets.