Post-it® Notes stick securely and remove cleanly, featuring a unique adhesive designed for use on paper. America's #1 favorite sticky note, they are great to call out important information or leave notes in calendars or planners. Canary Yellow color helps your notes stand out. Post-it® Notes are recyclable. Self-Stick Pad Type: Standard; Shape: Square; Color(s): Canary Yellow; Color Family: Yellow.