The 1000 Leftbound Mini Notebook features a really solid card cover spiral-bound onto double-O wire. It's a very tough item which is great for high volume use. The spiral binding allows the book to open perfectly flat, for using only one page at a time, for tilting the book to view in portrait or landscape and for removing sheets for collaboration. The 1000 Leftbound Notebook is a daily tool that never lets you down and provides trustworthy quality. SPECIFICATIONS SIZE : 94 * 128mm PAGE : 128pages RULING : 8mm ruled