Levenger Circa Sliver Foldover Notebook, Letter - Black (ADS8155 BK LTR NM) Cover folds back and out of the way while you're writing Includes 60 sheets of our archive-quality, 90-gsm annotation ruled paper Paper is ruled and features the Levenger wide annotation margin on the left for calling out key points, compatible with the Cornell method of note-taking 3/4-inch black discs can hold up to 120 sheets Covers in durable LevTex premium leather alternative