Post-it Notes, Super Sticky Pad, 4 x 4 Inches, Assorted Ultra Colors, 70 Sheets per Pad, Three Pads per Pack (675-3SSAU) Post-it Notes. What did you ever do without them? Super Sticky: Stick Practically Anywhere! 4 x 4 Inches: For notes to others Ultra: Strike a bold note! Also try Post-it Flags. Flag it. Find it. Fast!