Ruby Paulina is the best source for hard to find storage products for professional documents. The Ruby Paulina International A4 Size 4-Ring Binder has specifically aligned rings to fit European (11-5/8 x 8-1/8 Inches, South American (11-5/8 x 8-1/2 Inches), Australian and Asian paper sizes. The clear spine pocket makes each binder easy to customize for a professional appearance. Four back-mounted D-Rings allow the pages to lay flat on the back cover.