These "To-Do Sticky Notes" can be attached to notebooks and planners, allowing you to grasp your tasks at a glance. By slightly extending from the edge of the page, they can be used like an index, making it less likely to overlook important memos and tasks. The material uses thick PET that is resistant to folding, making it durable and suitable for carrying around. It's an item that allows you to easily move between pages while preserving the written content, and to organize while managing things properly. Product Size: 120mm (height) x 68mm (width) x 2mm (thickness)