Size: Approximately 4cm x 7cm Number of sheets: 30 sheets *This set includes two types of Post-it notes, one black cat and one mouse (30 sheets of each design), for a total of two sets. These are sticky note sets featuring two designs, a black cat and a mouse, illustrated by Nathalie Lete. Use them as sticky notes, bookmarks for books and notebooks, stick them on your PC, or even to leave short messages! We hope you enjoy using them.