Post-it® Super Sticky Notes feature 2X the sticking power. Use for short notes or reminders on doors, windows or walls. Unique adhesive reliably sticks and re-sticks so your message can stay front and center. Move your notes with you throughout the day. Classic Canary Yellow color helps your note break through. Post-it® Super Sticky Notes are recyclable. Pad Type: Super-Sticky; Shape: Square; Color(s): Canary Yellow; Color Family: Yellow.