Overview Reviews Product Description Office Supply Co Mini ringbinders are made from long lasting Polypropylene. A4 size with a 16mm mechanism these binders have a pocket on the inside cover. Blue colour. Product Videos Custom Field Product Reviews (No reviews yet) Write a Review Write a Review × OSC OSC Mini Ringbinder A4 2D 16mm Blue Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name *Email *Review Subject *Comments