Wirebound excellence! Sturdy, flat-folding, 5-subject notebooks. Premium quality, bright, 80 gsm paper allows you to use a variety of pens without bleeding or leaking through to the other side. The wirebound spine makes it easy to hold in one hand, making it great for keeping a log or taking notes. Users find this 5-subject Project Book, with its double ring binding, repositionable dividers, and sturdy interior pockets, a convenient and comprehensive multi-course solution. People expect more from Pukka Pad products and that's what they get. Pocket-Sized Indicator: No; Book-Binding Type: Wire-O; Book-Binding Details: Wire-O: Flexible Cover; Book-Binding Edge: Side.