Stop the re-work. Communicating in tough conditions just got easier with New Post-it® Extreme XL Notes. Made with Dura-Hold™ Paper and Adhesive, these notes will hold up in hot, cold and wet conditions. They stick to tough and textured surfaces like concrete, raw and painted wood, and tile. Make sure your message is seen with a note that sticks in tough conditions. Great for punch lists, notes or instructions. Use for team or individual communication. 4.5" x 6 .75" size gives you 3x the writing space.