This assorted pack of 20 Exacompta Four Ring Binders feature an OPAK cover and are fit for A4 sheets of paper and ideal for everyday use in offices, schools and at home.This pack is made up of 20 ring binders each with four 15mm O-rings and a 20mm spine. Better organise your paperwork or brightening up your office area with this fantastic pack of files.. Flexible covers with spine label . Opaque PP 0.5mm . Exterior size 320x250mm for A4 . Four 15mm O-rings . 20mm spine . Assorted colours. Dimensions (mm) H 320 W 250 D 20*Please note that this product is delivered direct from our supplier and may take a little longer to arrive.