Amazon.com : Personal A7 Pocket Size 4.3x5.7 Inch 6-Ring Rainbow Binder Covers Colorful Soft PVC Notebook Round Ring Binder Cover Protector Snap Button Closure Loose Leaf Folder (Colorful, A7 (110mm x 145mm)) :
Ktrio Sheet Protectors 8.5 x 11 Inches Clear Page Protectors for 3 Ring Binder, Plastic Sleeves for Binders, Top Loading Paper Protector Letter Size, 50 Pack - Walmart.com