Post-It® Brand Notes Super Sticky. Stick practically anywhere. 3 colors. 3M. What did you ever do without them ™ Stick with the Post-It® brand. Post-It® notes are recyclable. Meeting changed to 5:00! No snacking! Dinner at 5:00. 6x5. Pick up clients at noon! 3M, Post-It, the color canary yellow and the statement "What did you ever do without them" are trademarks of 3M. www.Post-it.com. 34-8701-5405-0. ©3M 2008.