Post-it(R) Super Sticky Pop-up Notes in 3 in x 3 in size increase your productivity when notes are where you need them when you want them. With Super Sticky adhesive, you can leave your note on almost any vertical surface. Life gets easier with these handy notes. The Rio de Janeiro Color Collection pulls inspiration from the city that has a rhythm all its own. 3 in x 3 in, 4 Pads/Pk, 90 Sheets/Pad.