Hallmark: 3 Package of Notes Cube with Pen Stationery Set (SOM3680) The complete Tower has 675 sheets of paper - 3 sizes Hallmark Office Essentials Tower Note Cube with Matching Pen Large: 4" X 4" X 1", Med: 3.25" X 3.25" X 1", Small: 2.25" X 2.25" X 1". 225 Sheets per Cube