10.5 x 8" white paper sketchbook by Ooly.  Features a blank Kraft paper cover for decoration.

A very nice, easy-to-manage, white paper sketchbook for all of your wonderful works of art. This White DIY Cover Sketchbook is great for holding all of your amazing creations. Make your sketchbook your own by putting your art right on the cover. Comes with 75 perforated sheets that are sized 8" x 10.5". Heavy white paper, 110g.