Our premium A4 Solar Yellow paper is sold per ream (500 sheets) and is packaged five reams per carton. We double-box our A4 paper so that when you receive it the corners are undamaged and will run jam-free. Our A4 paper is undrilled; however, we can pre-drill your A4 Solar Yellow paper with 4-holes, 2-holes, or 3-holes. Just click on the drilling option.