Keep notes where you need them when you want them with Post-it® Pop-up Notes Original Canary Yellow Pop-up Refill. The size of each note is great for phone numbers and short to-do lists. Canary Yellow color helps you get your message across. Accordion-style design ensures that notes will pop up one after another when you use a Post-it® Note Dispenser. Pad Type: Pop-Up; Shape: Rectangular; Color(s): Canary Yellow; Color Family: Yellow.