Jacks Pocket Planner Notebook AlumCvrs Loose Leaf Filofax Pocket Inserts Fit 3.7"x5.3" (paper 3.3"x4.8") s356f Black and Brushed Aluminum Covers  Thin & Durable - Protects Paper in Pockets and Purses Loose Leaf & Spiral in One Notebook  Folds Over, Add/Remove Sheets Notebook & Planner in One Book  Note Paper, Calendars, Phone Book, etc. Paper Refills For All Models Available From Filofax and Office Supply Retail Stores Many Options: Calendars, Monograms, Address Pages, Clear Picture Holders, Pen & Paper Holders and more