ADDITIONAL DETAILS: A PRINTED SHEET CAN BE SLIPPED INTO THE CLEAR PLASTIC POCKETS THAT OVERLAY THE FRONT COVER, SPINE AND BACK COVER, 2 D-RING MECHANISM MOUNTED TO THE BACK COVER WHICH HELPS THE PAGES TO BE TURNED EASILY, COVER IS MADE FROM SOFT, FLEXIBLE PVC ADHERED TO A STURDY BOARD, CUSTOMISING QUICKLY AND EASILY