These really are pitch black. So that already makes them great. This version has dot graph paper — nice neat lines of dots that you could use as a framework to draw stuff over, or chart your iced coffee consumption or just frenetically connect the dots together if you're stuck in a meeting that won't end.
You get a bundle of three memo books, and each book has 48 pages. They measure 3 and a half inches wide by 5 and a half inches high.