3m Post-it 3 x 3 pop-up note pad refills Avoid running out of important notepads. Simply store these convenient refills in closets or desk drawers. These note pads utilize a unique accordion-style design that pop up, one-by-one, making sure the notes are always at the tip of your fingers. Notes are self-stick and removable. 100 sheets per pad. Paper Color(s): Canary Yellow; Paper Design: NA; Sheets: 100; Sheet Size: 3 X 3.