Heavyweight polypropylene pages with reinforced binding edge hold your important business cards for easy reference while at the office or on the road. Pages fit standard three-ring binders. Side load sleeves. Each page holds 20 business cards. Card File Refills Type: Business Card Binder Page; Card Size (H x W): N/A; For Card Size: 2 x 3 1/2; Card Capacity: 100.