Features4 D-ring binding mechanism40mm capacityStrong welded PVCFull length cover & spine sleevesDesigned for A4 documentsMade from strong welded PVC, this high quality Q-Connect A4 40mm Presentation 4D Ring Binder will bring a touch of professionalism to your office. Featuring full length cover and spine sleeves for adding your own presentation cover and finished in black, this folder has an easy-open 4 D-ring mechanism for adding and removing papers quickly, with a total capacity of 40mm for storing A4 documents.