Features4 D-ring binding mechanism25mm capacityStrong welded PVCFull length cover & spine sleevesDesigned for A4 documentsMade from strong welded PVC, this high quality Q-Connect A4 25mm Presentation 4D Ring Binder will bring a touch of professionalism to your office. Featuring feature full length cover and spine sleeves for adding your own presentation cover and finished in black, these folders have an easy-open 4 D-ring mechanism for adding and removing papers quickly, with a total capacity of 25mm for storing A4 documents.