10.5x8" black paper sketchbook by Ooly.  Features plain black cover ready for decorating.

A great, easy-to-manage, black paper sketchbook for all of your wonderful black paper creations. You can make your sketchbook your own by putting your art right on the cover. The 75 sheets of perforated paper are 8" x 10.5", and heavy weighing 110g. It comes with a built in elastic strap to protect your stuff too.