Best answer: Unlike other Polaroid cameras and printers on the market, the Polaroid Pop uses 3.5-by-4.25-inch Zink Paper designed exclusively for its use. Most of the others use 2-by-3-inch Zink Paper that includes a sticky adhesive on the back.Amazon: Polaroid Pop ($200)Amazon: Polaroid Snap Touch ($180)Amazon: Polaroid POP Instant Print Paper 40-pack ($40)Amazon: Polaroid 2x3 inch Zink Paper 50-pack ($34)