This tablet is useful for your written correspondence needs. The 15# white tablet paper is lined for letter writing. Full sheet size is 6" x 9", and folds to fit in a standard 6 3/4" size envelope. Each tablet contains 100 sheets, and is taped and glued along the 6" edge. The cover is a 10 pt coated white board, and the back is a 30 pt chipboard.