Value Pack of Post-it Pop-up Refill Notes is designed for use in Post-it Pop-up Note Dispensers (sold separately). Pop-up notepad offers the convenience of grabbing just one note, with just one hand. The accordion-style notes pop up one at a time from a specially designed pop-up dispenser (sold separately), keeping the notes at your fingertips. Repositionable adhesive won't mark paper and other surfaces. The paper in Post-it Notes is sourced from certified, renewable and responsibly managed forests. Each pad contains 100 sheets.