Post-it Notes stick securely and remove cleanly, featuring a unique adhesive designed for use on paper. 4 in. x 6 in. size is great for to do lists in calendars or planners. The Poptimistic collection gives your messages pop and optimism with bright colors that grab attention. Post-it Notes are recyclable, and the paper in Post-it Notes is sourced from certified, renewable and responsibly managed forests. 3 Pads/Pack, 100 Sheets/Pad Recommended age 5+ years