Sticky Note Comatibility: This magnetic pop-up note dispenser is for 3 x 3 inches pop-up notes. It does NOT work with regular sticky notes. Magnetic Base Design: Easily attaches to metal surfaces such as fridges, whiteboards, file cabnets, etc. Tidy & Convenient: Prevents loose notes from getting lost, and magnetic attachment keeps it within reach. Refillable: The simple structural design makes it easy to open and refill. Secure Hold: The strong magnet provide secure hold and keeps notes in place while allowing easy dispensing. Size: 4.3 x 4.3 x 1