Original Canary Yellow Pop-up Refill, 3 X 5, 12-packKeep 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; Sheet Size (W x H): 3 x 5; Number of Sheets per Pad: 100; Ruling: Plain.