Post-it Canary Yellow Super Sticky Notes 3" x 3" 90-Sheets hold stronger and longer than original Post-itВ® Notes to keep your task lists visible. Important phone numbers and reminders stay where you place them with these Post-itВ® Super Sticky Notes. Write on Post-itВ® Super Sticky Notes in Canary Yellow when you need to display your messages in prominent places. Trust the original Canary Yellow Post-itВ® Notes to keep your messages visible. The Super Sticky Note has a special adhesive strip to hold the note stronger and longer than original Post-itВ® Notes. These notes stick to almost any vertical surface. Post-itВ® Super Sticky Notes are perfect for walls, doors, and appliances.