Office Business Spiral Notebook, Betterhill Wirebound Notebook With Solar Calculator, Sticky Notes, Card Solt And Pen, B5 Size (7x4.7in) B5 paper size (18 x 12 x 1.5 cm), 60 pages, ruled, book tape, double-sided writing. Portable handheld size for easily carry. 5 in 1 multifuctional spiral notebook with solar calculator, sticky notes, built-in card slot and pen. Best gift choice for you and your loved one. Original design spiral notebook, perfect for business, office, school, metting, diary, journal and so on. Multi-colored sticky notes let you know better classification for more convenience. Solar calculator, available in light, even at night the 30W light under 1.5M can be used normally.