it note is a piece of stationery with a re-adherable strip of adhesive on the back, designed for temporarily attaching notes to documents and to other surfaces: walls, desks, computer displays, and so forth. While now available in a wide range of colors, shapes, and sizes, Post-it Brand notes are most commonly a 3-inch (76 mm) square, canary yellow in color. The notes use a unique low-tack adhesive that enable them to be easily attached and removed without leaving marks or residue.
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